Counting Atoms Practice

Front

What is the chemical formula for salt?

Back

NaCl

Front

How many total atoms are in the molecule 3N₂?

Back

6

Front

How many molecules are represented by 3NaHCO₃?

Back

3

Front

How many total atoms are in the molecule N₂?

Back

2

Front

How many elements are present in 4 NaCl?

Back

2

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

What is the total number of atoms in the molecule C₆H₁₂O₆?

Back

24 (6 Carbon, 12 Hydrogen, 6 Oxygen)

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.

Front

What is the chemical formula for water?

Back

H₂O

Front

How many atoms are in the molecule 2H₂O?

Back

6 (4 Hydrogen, 2 Oxygen)