Periodic Table Value Quiz Questions

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| By Marshallje
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Marshallje
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Quizzes Created: 22 | Total Attempts: 13,025
| Attempts: 290
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  • 1/10 Questions

    An atom has 22 electrons and 24 neutrons. What is the atomic number?

    • 22
    • 24
    • 45
    • 2
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About This Quiz

This Periodic Table Value Quiz covers essential topics such as atomic numbers, atomic masses, electron configurations, and periodic trends. You will delve into the properties of elements, including electronegativity, ionization energies, and group classifications while identifying their correct positions on the table. Understanding these core concepts is fundamental for grasping how elements interact, form bonds, and participate in chemical reactions.

By taking this quiz, you can evaluate your understanding of the organization of elements, how their properties change across periods and groups, and the significance of these trends in predicting chemical behavior. This quiz offers an interesting way to reinforce your understanding of elemental values and their importance in science.

Periodic Table Value Quiz Questions - Quiz

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  • 2. 

    What is the atomic number of an atom that has 12 protons, 13 neutron and 12 electrons?

    • 2

    • 12

    • 13

    • 15

    • 25

    Correct Answer
    A. 12
    Explanation
    The atomic number of an atom is determined by the number of protons in its nucleus. Since this atom has 12 protons, its atomic number is 12, which corresponds to the element magnesium (Mg). The number of neutrons (13) and electrons (12) does not affect the atomic number.

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  • 3. 

    The atom's mass is found mostly in the 

    • Nucleus

    • Protons

    • Electrons

    • Electron cloud

    Correct Answer
    A. Nucleus
    Explanation
    The atom's mass is found mostly in the nucleus. The nucleus is the central part of an atom that contains protons and neutrons. Protons have a positive charge and neutrons have no charge, together they make up the majority of the atom's mass. Electrons, on the other hand, are negatively charged particles that orbit around the nucleus in the electron cloud. While electrons contribute to the overall charge of the atom, they have a negligible mass compared to protons and neutrons. Therefore, the mass of an atom is primarily concentrated in the nucleus.

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  • 4. 

    An atom has 40 electrons and 46 neutrons. How many protons does it have?

    • 40

    • 46

    • 86

    • 101

    Correct Answer
    A. 40
    Explanation
    In a neutral atom, the number of protons is equal to the number of electrons to balance the charges. Since this atom has 40 electrons, it must also have 40 protons. The number of neutrons, in this case, 46, does not affect the number of protons or the overall charge but can affect the atom's mass.

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  • 5. 

    The charge of an atom is 

    • Positive

    • Negative

    • Neutral

    Correct Answer
    A. Neutral
    Explanation
    The charge of an atom is neutral because an atom contains an equal number of positively charged protons and negatively charged electrons. Protons are located in the nucleus, and electrons orbit around the nucleus. The positive charge from the protons exactly cancels out the negative charge from the electrons, resulting in a net charge of zero. When the number of protons and electrons is equal, the atom is electrically neutral. Any imbalance between protons and electrons would result in a charged particle called an ion.

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  • 6. 

    Which element has 29 protons?  

    • Silver

    • Lead

    • Potassium

    • Copper

    Correct Answer
    A. Copper
    Explanation
    An element’s identity is defined by the number of protons in its nucleus, known as its atomic number. The element with 29 protons is copper (Cu), which is why its atomic number is 29. Each element on the periodic table has a unique atomic number, and no two elements have the same number of protons. Copper is a transition metal known for its high electrical and thermal conductivity, and its atomic structure—specifically having 29 protons—plays a crucial role in its chemical behavior and placement in the periodic table.

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  • 7. 

    Two atoms of the same element that have the same mass will have                                                     

    • The same number of protons

    • The same number of electrons

    • The same number of neutrons

    • The same charge

    • A & B

    Correct Answer
    A. A & B
    Explanation
    Two atoms of the same element that have the same mass will have the same number of protons and the same number of electrons. The number of protons determines the atomic number and identifies the element, while the number of electrons determines the overall charge of the atom and its reactivity. Therefore, if two atoms have the same mass, it means they have the same number of protons and electrons. The number of neutrons can vary in isotopes of the same element, so it is not necessarily the same for atoms with the same mass.

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  • 8. 

    A particle has 25 protons, 22 electrons and 24 neutrons. Which of these statement is true? 

    • The particle is an atom

    • The particle is an ion

    • The particle is an isotope

    • The particle is a nucleus

    Correct Answer
    A. The particle is an ion
    Explanation
    A particle with 25 protons and 22 electrons has an imbalance of positive and negative charges, resulting in a net positive charge (3 more protons than electrons). This makes it an ion, specifically a cation because it has a positive charge. An atom is neutral, an isotope has variations in the number of neutrons, and the nucleus is just the central part of an atom containing protons and neutrons.

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  • 9. 

    Most of the atom's volume (space) is

    • The nucleus

    • The electron cloud

    • Empty space

    • Proton mass

    Correct Answer
    A. Empty space
    Explanation
    Most of the volume of an atom is empty space. The nucleus, which contains protons and neutrons, is extremely small and dense compared to the overall size of the atom. Electrons occupy the regions around the nucleus in what is called the electron cloud, but this space is still mostly empty. The electrons themselves are very tiny compared to the nucleus and are spread out over a large area, meaning that the majority of an atom's volume is essentially empty space.

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  • 10. 

    What is the total number of electrons in the Na atom below?23     +    Na11

    • 10

    • 11

    • 12

    • 23

    Correct Answer
    A. 10
    Explanation
    The Na atom has an atomic number of 11, which means it has 11 protons. Since atoms are neutral, it also has 11 electrons. However, the question asks for the total number of electrons in the Na atom below, which is 23. This is incorrect because it adds the atomic number of Na (11) to the atomic mass of Na (12), which is incorrect. Therefore, the correct answer is 10, which is the atomic number of Na.

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  • Current Version
  • Sep 03, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 10, 2011
    Quiz Created by
    Marshallje
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