Periodic Table

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Last updated 8:42 PM on 7/22/26
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10 Terms

1
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What is the atomic number of Hydrogen?

1

2
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What is the chemical symbol for Helium?

He

3
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What is the atomic mass of Carbon?

12.01 u

4
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How many elements are in the periodic table?

118 known elements.

5
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What is the chemical symbol for Gold?

Au

6
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What element has the atomic number 26?

Iron (Fe)

7
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What is the chemical symbol for Sodium?

Na

8
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What element is represented by the symbol 'Cl'?

Chlorine

9
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What is the atomic number of Oxygen?

8

10
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What is the chemical symbol for Silver?

Ag