Counting Atoms and Periodic Table

A subscript is the small number below the element symbol that tells the number of _______ of that element.

• atoms

• valence electrons

• protons

• elements

Tags

NGSS.MS-PS1-1

The red numbers in the image below represent ________

• subscripts
• coefficients
• I don't know, and don't want to try
• None of the answers are correct

Tags

NGSS.MS-PS1-1

How many atoms are present if there is no subscript following the element symbol?

• 0

• 2

• only 1

• 1 million

Tags

NGSS.MS-PS1-1

How many atoms of Hydrogen are in this compound

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

The number of Na's in Na₂CO₃

• 1
• 2
• 3
• 6

Tags

NGSS.MS-PS1-1

HCl has how many atoms of each element?

• H=1, Cl=1

• H=2, Cl=2

• H=3, Cl=1

Tags

NGSS.MS-PS1-1

5 N₂O represents the formula for "laughing gas" you might have at the dentist. How many atoms of nitrogen are present here?

• 1

• 2

• 7

• 10

Tags

NGSS.MS-PS1-1

A SUBSCRIPT IS...

• Number to the left of the element symbol

• Number to the right of the element symbol

• the scientific name for a group of atoms

• A substance made of only one kind of atom

Tags

NGSS.MS-PS1-1