Counting Atoms

Front

How many atoms of oxygen are in 3Fe₂O₃?

Back

9

Front

What states that matter is neither created nor destroyed but can change from one form to another?

Back

Law of conservation of mass

Front

How many atoms of Hydrogen are in H₂O?

Back

2

Front

How many F atoms are in the compound 6MgF₂?

Back

12

Front

What is the term for the number written to the lower right of an element that tells you the number of atoms?

Back

subscript

Front

What is the term for the number in front of a chemical formula that indicates how many molecules are present?

Back

coefficient

Front

In the chemical formula C₆H₁₂O₆, how many carbon atoms are present?

Back

6

Front

What is the total number of atoms in the compound 2NaCl?

Back

4

Front

What does a chemical equation represent?

Back

A chemical equation represents a chemical reaction, showing the reactants and products.

Front

How many total atoms are in the compound 4Al₂O₃?

Back

20