Nature Of Matter: Atoms Quiz
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The three basic components of an atom are....
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Molecules
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Protons
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Neutrons
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Electrons
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Ions
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About This Quiz
Nature of Matter: Atoms Quiz is a test on the Chemical periodic table. How much do you know of this Science basic? Well, there is only one way to find out. Take up the test and see.
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- 2.
A single proton has what type of charge?
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Negative
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Balanced
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Positive
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Neutral
Correct Answer
A. PositiveExplanation
A single proton has a positive charge because it contains one unit of positive electric charge. Protons are one of the fundamental particles that make up an atom, along with neutrons and electrons. While electrons have a negative charge and neutrons have no charge, protons carry a positive charge. This positive charge is equal in magnitude to the negative charge of an electron, but opposite in sign. Therefore, the correct answer is positive.Rate this question:
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- 3.
How many electrons can the first energy level hold?
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2
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3
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4
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8
Correct Answer
A. 2Explanation
The first energy level, also known as the K shell, can hold a maximum of 2 electrons. This is because the first energy level has only one subshell, which is the s subshell, and it can accommodate a maximum of 2 electrons.Rate this question:
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- 4.
Sodium is in the 4th period and the 5th group in the periodic table.
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True
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False
Correct Answer
A. FalseExplanation
Sodium is not in the 4th period and the 5th group in the periodic table. Sodium is actually in the 3rd period and the 1st group on the periodic table.Rate this question:
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- 5.
What is the term used for the electrons in the outermost shell or energy level?
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Ions
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Isotopes
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Valence electrons
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Subatomic particles
Correct Answer
A. Valence electronsExplanation
Valence electrons are the electrons located in the outermost shell or energy level of an atom. These electrons are involved in chemical reactions and determine the atom's reactivity and ability to form bonds with other atoms. Ions are atoms that have gained or lost electrons, isotopes are atoms of the same element with different numbers of neutrons, and subatomic particles refer to particles such as protons, neutrons, and electrons.Rate this question:
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- 6.
Argon has 3 shells and 8 valence electrons.
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True
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False
Correct Answer
A. TrueExplanation
The statement is true because Argon, with atomic number 18, has 3 electron shells, which are filled with 2, 8, and 8 electrons respectively. The outermost shell, also known as the valence shell, contains 8 electrons, making Argon a noble gas with a full valence shell.Rate this question:
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- 7.
The nucleus of an atom consists of...
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Electrons
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Protons
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Electrons and protons
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Protons and neutrons
Correct Answer
A. Protons and neutronsExplanation
The nucleus of an atom consists of protons and neutrons. Protons are positively charged particles, while neutrons are neutral particles. These two particles are tightly packed together in the center of the atom, forming the nucleus. Electrons, on the other hand, are negatively charged particles that orbit around the nucleus in specific energy levels. However, they are not part of the nucleus itself. Therefore, the correct answer is protons and neutrons.Rate this question:
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- 8.
An element is determined by the number of...
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Protons
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Neutrons
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Ions
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Isotopes
Correct Answer
A. ProtonsExplanation
The number of protons determines an element. Protons are positively charged particles found in the nucleus of an atom. Each element has a unique number of protons, known as its atomic number. This number determines the identity of the element. Therefore, by knowing the number of protons, we can identify the specific element.Rate this question:
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- 9.
Aluminum has 3 shells and 3 valence electrons.
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True
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False
Correct Answer
A. TrueExplanation
Aluminum is an element with atomic number 13, which means it has 13 electrons. These electrons are distributed in different energy levels or shells around the nucleus. The first shell can hold a maximum of 2 electrons, the second shell can hold a maximum of 8 electrons, and the third shell can hold a maximum of 8 electrons as well. Since aluminum has 13 electrons, it means that the first and second shells are completely filled with 2 and 8 electrons respectively, and the remaining 3 electrons are in the third shell. These 3 valence electrons are the outermost electrons of aluminum and are involved in chemical reactions, making the statement true.Rate this question:
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- 10.
According to the Atomic Theory, electrons are found...
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Anywhere in the atom
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Inside the nucleus
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Outside the nucleus
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All of the above
Correct Answer
A. Outside the nucleusExplanation
According to the Atomic Theory, electrons are found outside the nucleus. This is based on the understanding that electrons occupy specific energy levels or orbitals around the nucleus. These energy levels are arranged in shells, with the outermost shell being the highest energy level. Electrons can move between these energy levels, but they are primarily found in the outermost shell, which is further away from the nucleus. Therefore, the correct answer is outside the nucleus.Rate this question:
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- 11.
A horizontal row of the periodic table is called a
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Period
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Family
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Group
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Noble gase
Correct Answer
A. PeriodExplanation
A horizontal row of the periodic table is called a period. Periods represent the energy levels or shells in an atom. Each period corresponds to a different principal quantum number, indicating the maximum number of electrons that can occupy that energy level. The number of elements in a period increases as you move down the periodic table. Each period starts with an alkali metal and ends with a noble gas, with elements becoming less metallic and more nonmetallic as you move across the period.Rate this question:
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- 12.
A Beryllium atom has 4 protons, 5 neutrons, and 4 electrons. What is the mass number of this atom?
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4
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5
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8
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9
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13
Correct Answer
A. 9Explanation
The mass number of an atom is the sum of its protons and neutrons. In this case, the Beryllium atom has 4 protons and 5 neutrons, so the sum of these is 9. Therefore, the mass number of this atom is 9.Rate this question:
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- 13.
How many electrons can the second energy level hold?
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2
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3
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4
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8
Correct Answer
A. 8Explanation
The second energy level can hold a maximum of 8 electrons. This is because the second energy level has 2 sublevels, the s and p sublevels. The s sublevel can hold a maximum of 2 electrons, while the p sublevel can hold a maximum of 6 electrons. Therefore, the total number of electrons that can be accommodated in the second energy level is 2 + 6 = 8.Rate this question:
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- 14.
This element (in a perfect world) has 13 electrons and 14 neutrons. What element is this?
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Silicon
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Aluminum
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Nitrogen
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Magnesium
Correct Answer
A. AluminumExplanation
Aluminum is the correct answer because it has an atomic number of 13, which corresponds to the number of electrons in a neutral atom. It also has a mass number of 27, which is the sum of the number of protons and neutrons. Since the question states that the element has 14 neutrons, it matches the characteristics of aluminum, which has 13 electrons and 14 neutrons.Rate this question:
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- 15.
Atoms that have gained or lost electrons are called
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Ions
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Compounds
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Isotopes
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Molecules
Correct Answer
A. IonsExplanation
Ions are atoms that have gained or lost electrons. When an atom gains electrons, it becomes negatively charged and is called an anion. When an atom loses electrons, it becomes positively charged and is called a cation. Therefore, ions are the correct answer to the question.Rate this question:
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- 16.
Carbon is in the 2nd period and the 4th group in the periodic table.
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True
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False
Correct Answer
A. FalseExplanation
The statement is false. Carbon is not in the 2nd period and the 4th group in the periodic table. Carbon is in the 2nd period, but it is in the 14th group (also known as Group 14 or Group IV) of the periodic table. It is represented by the atomic number 6 and the symbol "C." Carbon is located in the same group as other elements like silicon, germanium, and tin. The elements in Group 14 are often referred to as the "carbon group" or "tetrels."Rate this question:
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- 17.
Choose the correct subatomic particles for Oxygen. Check only the boxes that apply
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5 protons
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8 electrons
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3 neutrons
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8 protons
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4 electrons
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5 neutrons
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8 neutrons
Correct Answer(s)
A. 8 electrons
A. 8 protons
A. 8 neutronsExplanation
Oxygen has an atomic number of 8, which means it has 8 protons and 8 electrons. The atomic mass of oxygen is usually around 16, which means it has 8 neutrons. Therefore, the correct subatomic particles for oxygen are 8 electrons, 8 protons, and 8 neutrons.Rate this question:
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- 18.
Sulfur has an atomic number of 16 and an atomic mass of 32. Check the boxes that apply to the three subatomic particles of a Sulfur atom.
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Protons= 16
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Neutrons= 14
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Electrons= 32
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Neutrons= 16
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Electrons= 16
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Protons= 32
Correct Answer(s)
A. Protons= 16
A. Neutrons= 16
A. Electrons= 16 -
- 19.
Group 8 in the periodic table are the most likely to gain electrons.
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True
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False
Correct Answer
A. FalseExplanation
Group 8 in the periodic table, also known as the noble gases, are actually the least likely to gain electrons. This is because they have a full outer electron shell, making them stable and unreactive. They do not easily gain or lose electrons, which is why they are considered inert. Therefore, the statement that Group 8 is the most likely to gain electrons is false.Rate this question:
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- 20.
Which subatomic particles have approximately the same size and mass as each other?
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Neutrons and electrons
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Electrons and protons
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Protons and neutrons
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None- they all have different sizes and masses
Correct Answer
A. Protons and neutronsExplanation
Protons and neutrons have approximately the same size and mass as each other. Protons are positively charged particles found in the nucleus of an atom, while neutrons are neutral particles also located in the nucleus. Both particles have similar masses, with protons having a slightly smaller mass than neutrons. Electrons, on the other hand, are much smaller and lighter than protons and neutrons, and they orbit around the nucleus in electron shells. Therefore, the correct answer is protons and neutrons.Rate this question:
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- 21.
Flourine is very likely to lose electrons.
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True
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False
Correct Answer
A. FalseExplanation
Fluorine is actually very likely to gain electrons rather than lose them. This is because fluorine is a highly electronegative element, meaning it has a strong attraction for electrons. It only needs one more electron to complete its outer electron shell and achieve a stable configuration. Therefore, fluorine tends to gain one electron in chemical reactions, rather than losing any.Rate this question:
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- 22.
The element Nitrogen has how many shells and how many valence electrons? Check only the boxes that apply.
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2 shells
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2 valence electrons
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1 shell
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1 valence electron
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5 shells
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5 valence electrons
Correct Answer(s)
A. 2 shells
A. 5 valence electronsExplanation
Nitrogen has 2 shells and 5 valence electrons. This is because the atomic number of Nitrogen is 7, which means it has 7 electrons. The electron configuration of Nitrogen is 1s² 2s² 2p³, indicating that it has 2 shells and 5 electrons in its outermost shell, which are the valence electrons.Rate this question:
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- 23.
Atoms that have gained or lost a neutron are called
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Ions
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Cations
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Isotopes
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Molecules
Correct Answer
A. IsotopesExplanation
Atoms that have gained or lost a neutron are called isotopes. Isotopes are variants of an element that have the same number of protons but different numbers of neutrons. This causes them to have different atomic masses. Ions, on the other hand, are atoms that have gained or lost electrons, resulting in a different number of protons and electrons and an overall charge. Cations are a type of ion with a positive charge. Molecules, on the other hand, are formed when two or more atoms chemically bond together.Rate this question:
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- 24.
The organization of the periodic table is based on__________________.
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The number of protons in an atom
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The mass number of an atom
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The number of neutrons in an atom
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The average atomic mass of an element
Correct Answer
A. The number of protons in an atomExplanation
The organization of the periodic table is based on the number of protons in an atom. This is because the number of protons in an atom determines the element's atomic number, which is used to arrange the elements in the periodic table. The periodic table is organized in increasing order of atomic number, which allows for the elements to be grouped together based on their similar properties and trends.Rate this question:
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- 25.
The element Calcium has how many shells and valence electrons? Check only the boxes that apply.
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3 shells
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3 valence electrons
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4 shells
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4 valence electrons
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2 shells
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2 valence electrons
Correct Answer(s)
A. 4 shells
A. 2 valence electronsExplanation
Calcium is an element with an atomic number of 20, which means it has 20 electrons. The distribution of these electrons is as follows: the first shell can hold a maximum of 2 electrons, the second shell can hold a maximum of 8 electrons, the third shell can hold a maximum of 8 electrons, and the fourth shell can hold a maximum of 2 electrons. Therefore, Calcium has 4 shells. The valence electrons are the electrons in the outermost shell, which in the case of Calcium is the fourth shell. Since the fourth shell can hold a maximum of 2 electrons and Calcium has 2 electrons in its outermost shell, it has 2 valence electrons.Rate this question:
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Nov 09, 2023Quiz Edited by
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Nov 02, 2011Quiz Created by
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