Counting atoms

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

• element symbol; atoms
• atom; element symbol
• subscript; protons
• compound; elements

Tags

NGSS.MS-PS1-1

How many Oxygen atoms are in H₂O?

• 1

• 2

• 0

• 4

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms are in 4H₂O?

• 6

• 8

• 2

• 4

Tags

NGSS.MS-PS1-1

How many Oxygen atoms are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

Tags

NGSS.MS-PS1-1

Number of H in 3(NH₄)₂CrO₄

• 4
• 2
• 8
• 24

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

Number of N in (NH₄)₂CrO₄

• 1
• 2
• 8
• 16

Tags

NGSS.MS-PS1-1

Something made of one pure substance and cannot be broken down or separated into parts.

• compound
• subscript
• chemical symbol
• element

Two or more elements that are chemically combined.

• atom
• elements
• compound
• subscript

Tags

NGSS.MS-PS1-1