Counting Atoms

Front

What is the number of Nitrogen (N) atoms in (NH₄)₂CrO₄?

Back

2

Front

How many Oxygen atoms are in H₂O?

Back

1

Front

In the reaction 2H₂ + O₂ ----> ? What is the product?

Back

2H₂O

Front

What is a subscript in a chemical formula?

Back

A small number below an element symbol that tells the number of atoms of that element.

Front

How many total atoms are in H₂SO₄?

Back

7

Front

What does a coefficient in a chemical equation represent?

Back

The number of molecules or moles of a substance.

Front

What is the chemical formula for water?

Back

H₂O

Front

How many atoms are in one molecule of glucose (C₆H₁₂O₆)?

Back

24 (6 Carbon, 12 Hydrogen, 6 Oxygen)

Front

What is the purpose of balancing a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

Front

What does the term 'molecule' refer to?

Back

A group of two or more atoms bonded together.