1/22 Counting Atoms

How many Oxygen atoms are in Al₂O₃?

• 3
• 2
• 5

Tags

NGSS.MS-PS1-1

How many atoms of hydrogen are in

C₆H₁₂O₆

• 6

• 12

• 18

• 2

Tags

NGSS.MS-PS1-1

How many atoms of Iron are in this compound?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

A pure substance that cannot be broken down into simpler substances.

• element
• compound
• molecule
• carbon dioxide

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

• formula
• atom
• subscript
• compound

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in H₂SO₄ ?

• 6

• 5

• 7

• 3

Tags

NGSS.MS-PS1-1

Count the atoms for each of the different elements: H₂O

• H = 2, O = 1

• H = 1, O = 2

• H = 2, O = 2

• H = 1, O = 1

Tags

NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O

• NaCl

• H₂

• CaCO₃

What is the chemical symbol for the element Fluorine

• F
• Fl
• Flu
• f

What is the chemical symbol for the element Helium

• He
• he
• H
• h