Counting Elements

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

How many atoms are in this chemical formula: (NH₄)₂SO₄

• 12

• 15

• 4

• 10

Tags

NGSS.MS-PS1-1

How many atoms are in this formula: Zn(NO₃)₂

• 3

• 5

• 9

• 7

Tags

NGSS.MS-PS1-1

How many elements are in this chemical formula: Zn(NO₃)₂

• 3

• 7

• 5

• 12

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 the compound C₂H₈O ?

• 2

• 1

• 3

• 0

Tags

NGSS.MS-PS1-1

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 atoms are in this chemical formula: NaC₂H₃O₂

• 6

• 8

• 4

• 9

Tags

NGSS.MS-PS1-1

• A) 2

• B) 3

• C) 4

• D) 5

Tags

NGSS.MS-PS1-1

• A) 2

• B) 3

• C) 4

• D) 5

Tags

NGSS.MS-PS1-1