Counting atoms

Front

What is the chemical formula for Magnesium Chloride?

Back

MgCl₂

Front

How many atoms of Magnesium are in 10MgCl₂?

Back

10

Front

How many atoms of Oxygen are in H₂O?

Back

1

Front

What is the total number of atoms in H₂SO₄?

Back

7

Front

How many Oxygen atoms are in Al₂(SO₄)₃?

Back

12

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

What is the total number of atoms in a molecule of C₆H₁₂O₆?

Back

24

Front

How do you determine the total number of atoms in a compound?

Back

Add the subscripts of all elements in the chemical formula.

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance.

Front

How many total atoms are in 2H₂ + O₂ → 2H₂O?

Back

6