Counting Atoms Practice -- 12/13

Front

What is the chemical formula for Sodium Carbonate?

Back

Na₂CO₃

Front

How many atoms of Sodium (Na) are in one molecule of Na₂CO₃?

Back

2

Front

What is the term for a substance that cannot be broken down into simpler substances?

Back

Element

Front

How many total atoms are in one molecule of C₁₂H₂₂O₁₁?

Back

45 (12 Carbon + 22 Hydrogen + 11 Oxygen)

Front

Which of the following is a compound: Hydrogen, Oxygen, Water, Carbon?

Back

Water

Front

What is the number of Carbon atoms in the formula C₁₂H₂₂O₁₁?

Back

12

Front

In the compound Na₂CO₃, how many total atoms are present?

Back

6 (2 Sodium + 1 Carbon + 3 Oxygen)

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

How many oxygen atoms are in the formula Na₂CO₃?

Back

3

Front

If you have 2Na₂CO₃, how many Sodium atoms do you have?

Back

4 (2 x 2 Sodium)