Counting atoms in a formula

Front

How many elements are in this chemical formula?

HCl

Back

2

Front

How many Hydrogen are in 4H₂O?

Back

8

Front

Correct formula for: three hydrogen (H), one sulfur (S), four oxygen (O)

Back

H₃SO₄

Front

Coefficient

Back

The large number to the left of a formula.

Front

How many Chlorine are in MgCl₂?

Back

2

Front

How many Magnesium are in 10MgCl₂?

Back

10

Front

How many oxygen are in Ca(OH)₂?

Back

2

Front

How many Ca are in Ca(OH)₂?

Back

1

Front

How many Mg are in 4 Mg(OH)₂?

Back

4

Front

How many H are in 4 Mg(OH)₂?

Back

8