Counting Atoms

Front

What is the total number of hydrogen (H) atoms in 3(NH₄)₂CrO₄?

Back

24

Front

How many nitrogen (N) atoms are in (NH₄)₂CrO₄?

Back

2

Front

How many oxygen (O) atoms are in H₂O?

Back

1

Front

What is the total number of oxygen (O) atoms in Al₂(SO₄)₃?

Back

12

Front

How many sodium (Na) atoms are in 6NaCl?

Back

6

Front

Define a molecule.

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

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 does the subscript in a chemical formula indicate?

Back

The subscript indicates the number of atoms of the element in the molecule.

Front

What is the chemical formula for water?

Back

H₂O

Front

How many total atoms are in the formula C₆H₁₂O₆?

Back

24