Flashcard on Elements, Compounds, and Mixtures/Counting Atoms in Compounds

Front

In Na₂SO₄, how many elements are present?

Back

3

Front

What is the total number of oxygen atoms in 2H₂SO₄?

Back

8

Front

How many sodium atoms are in 3Na₂SO₄?

Back

6

Front

Which represents the correct number of atoms in 2H₂O?

Back

6 total atoms

Front

In the formula 3CO₂, how many oxygen atoms are present?

Back

6

Front

How many atoms are in 2NH₃?

Back

8 atoms

Front

In 4CH₄, how many hydrogen atoms are present?

Back

16

Front

What is the first step in counting atoms in 3H₂SO₄?

Back

Multiply by coefficient

Front

How many sulfur atoms are in 2Na₂SO₄?

Back

2

Front

Which formula contains 12 total atoms? Options: 3H₂O, 2NH₃, 4CO₂, 2NO₂

Back

4CO₂