Chemical Formulas and Atom Counting

Front

How many atoms are there TOTAL in H₂SO₄?

Back

7

Front

How many Sulfur's are in Al₂(SO₄)₃?

Back

3

Front

A ______ is a number written in front of a chemical formula.

Back

Coefficient

Front

How many oxygen atoms are in the chemical formula 2H₂O?

Back

4

Front

How many Sodium atoms are in 6NaCl?

Back

6

Front

What is the subscript in a chemical formula?

Back

A number that indicates the number of atoms of an element in a molecule.

Front

What does a coefficient represent in a chemical equation?

Back

The number of molecules or moles of a substance.

Front

How many total atoms are in the compound C₆H₁₂O₆?

Back

24

Front

What is the formula for calculating the total number of atoms in a compound?

Back

Add the number of atoms of each element, multiplied by their subscripts.

Front

In the formula Mg(OH)₂, how many oxygen atoms are present?

Back

2