Molecules, Atoms, and Chemical Formulas

What are the basic building blocks for all matter?

• atoms
• elements
• compounds
• chemicals

What do we call a substance consisting of a single atom?

• coefficient
• element
• compound
• molecule

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula
• atom
• subscript
• compound

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

H₂O₂← ?
This number tells the number of atoms present.

• coefficient
• molecule
• subscript
• atom

→2H₂O
This number tells how many molecules are in a chemical equation.

• coefficient
• subscript
• compound
• element

 2H₂O
How many Hydrogen atoms are present?

• 2
• 4
• 1
• 10

2H₂O
How many Oxygen atoms are present?

• 2
• 4
• 1
• 5

2H₂O
How many H₂O molecules are present?

• 1
• 4
• 2
• 8

How many atoms of sulfur are in each molecule of H₂SO₄?

• 1

• 4

• 2

• 7