Exploring Chemical Formulas and Atoms

What is the chemical symbol for oxygen?

• O

• Ox

• Oy

• Og

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• 1

• 2

• 3

• 0

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Which element is represented by the symbol "Na" on the periodic table?

• Nitrogen

• Sodium

• Neon

• Nickel

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• 1

• 2

• 3

• 4

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• 1

• 2

• 3

• 6

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• Sodium and Chlorine

• Nitrogen and Calcium

• Sodium and Carbon

• Neon and Chlorine

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• 3

• 4

• 7

• 12

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• 3

• 4

• 5

• 6

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A chemist wants to create a compound with 2 sodium atoms, 1 sulfur atom, and 4 oxygen atoms. Which of the following formulas correctly represents this compound?

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