Chemistry Quiz - Level 3
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An element is a substance made up of how many types of atoms?
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Beat level 2 hey.
Good for you. . . I suppose.
You probably wont pass this one though. Unless you studied or something crazy like that.
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- 2.
Elements with different than expected masses are called...
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Cations
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Anions
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Isotopes
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Atoms
Correct Answer
A. IsotopesExplanation
Isotopes are elements with different than expected masses. They have the same number of protons and electrons as the other atoms of the same element, but they have a different number of neutrons. This difference in the number of neutrons leads to variations in the atomic mass of the element. Isotopes can have different physical and chemical properties due to their varying atomic masses.Rate this question:
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- 3.
The groups of the periodic table link elements with similar...
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Electrons
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Atomic Mass
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Atomic Numbers
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Reactivity
Correct Answer
A. ReactivityExplanation
The groups of the periodic table link elements with similar reactivity. Elements in the same group have the same number of valence electrons, which determines their chemical behavior and reactivity. This similarity in reactivity is due to the elements' ability to gain, lose, or share electrons in chemical reactions. Therefore, reactivity is the correct answer as it explains the connection between elements in the periodic table's groups.Rate this question:
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- 4.
Ions are formed when an atom gains or loses....
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Electrons
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Protons
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Neutrons
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Shells
Correct Answer
A. ElectronsExplanation
Ions are formed when an atom gains or loses electrons. Electrons are negatively charged particles that orbit around the nucleus of an atom. When an atom gains or loses electrons, it becomes electrically charged and forms an ion.Rate this question:
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- 5.
Ionic bonds are formed due to the attraction between....
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Electrons
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Molecules
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Cations and Anions
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Protons
Correct Answer
A. Cations and AnionsExplanation
Ionic bonds are formed due to the attraction between cations and anions. Cations are positively charged ions that have lost electrons, while anions are negatively charged ions that have gained electrons. The opposite charges of cations and anions attract each other, resulting in the formation of an ionic bond. This bond is characterized by the transfer of electrons from the cation to the anion, creating a stable compound.Rate this question:
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- 6.
What is the formula for the ionic compound formed by Hydrogen (H+) and Chloride (Cl-)
Correct Answer
HClExplanation
The formula for the ionic compound formed by Hydrogen (H+) and Chloride (Cl-) is HCl. This is because Hydrogen has a positive charge of +1 and Chloride has a negative charge of -1. To balance the charges, one Hydrogen ion combines with one Chloride ion to form a neutral compound, HCl.Rate this question:
- 7.
What is the formula for the ionic compound formed by Barium (Ba 2+) and Flouride (F-)
Correct Answer
BaF2Explanation
Barium (Ba2+) has a 2+ charge, while Fluoride (F-) has a 1- charge. In order to form a neutral ionic compound, the charges must balance out. Since the charges are equal in magnitude but opposite in sign, we only need one of each ion to balance the charges. Therefore, the formula for the ionic compound formed by Barium and Fluoride is BaF2.Rate this question:
- 8.
What is the formula for the ionic compound formed by Aluminium (Al 3+) and Oxide (O 2-)
Correct Answer
Al2O3Explanation
The formula for the ionic compound formed by Aluminium (Al3+) and Oxide (O2-) is Al2O3. This is because Aluminium has a 3+ charge and Oxide has a 2- charge. In order to balance the charges, two Aluminium ions are needed for every three Oxide ions. Therefore, the formula is Al2O3.Rate this question:
- 9.
For this element, how many Protons are there?
Correct Answer
3, threeExplanation
The correct answer is 3, three. This is because the question is asking for the number of protons in an element. Protons are positively charged particles found in the nucleus of an atom. The number of protons determines the atomic number of an element, which is unique to each element. In this case, the element has 3 protons, so the correct answer is 3, three.Rate this question:
- 10.
For this element, how many Neturons are there?
Correct Answer
5, fiveExplanation
The question is asking for the number of neutrons in an element. The answer is "5" or "five". Neutrons are subatomic particles found in the nucleus of an atom, along with protons. The number of neutrons in an element can vary, but in this case, there are 5 neutrons in the element being referred to.Rate this question:
- 11.
For this element, how many Electrons are there?
Correct Answer
10, tenExplanation
The element in question has 10 electrons.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Sep 20, 2011Quiz Created by
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