Quiz - Periodic Table of Elements

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* 1. Which of the following are noble gases? Select all that apply.

Helium

Chlorine

Astatine

Nitrogen

Argon

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* 2. What is the atomic number of Calcium?

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* 3. The element with atomic number 29 is…

Nickel

Copper

Vanadium

Aluminum

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* 4. Which of the following are NOT solid at room temperature? Select all that apply.

Beryllium

Selenium

Mercury

Thorium

Bromine

Xenon

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* 5. “Groups” or “families” have similar atomic structure and are arranged _____ in the table.

Vertically

Horizontally

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* 6. Elements are arranged _____ into “periods.”

Vertically

Horizontally

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* 7. The majority of the elements in the periodic table are…

Metals

Nonmetals

Metalloids

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* 8. How many elements are in the modern periodic table?

109

113

118

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* 9. The atomic number counts the number of what?

Protons

Electrons

Neutrons

Nucleons

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* 10. What are isotopes?

Elements with the same number of protons but a different number of electrons

Elements with the same number of protons but a different number of neutrons

Elements with the same number of electrons but a different number of neutrons

Elements with the same number of protons and neutrons

Elements with the same number of protons and electrons