Counting Atoms in Compounds

What are the elements present in NaOH?

• Na, O, H

• Na, Cl, H

• Na, O, Cl

• Na, H, Cl

Tags

NGSS.MS-PS1-1

In the compound MgCl2, how many chlorine atoms are present?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Fill in the blank: In the compound 4 Li2O, there are ___ lithium atoms.

• 2

• 4

• 8

• 6

Tags

NGSS.MS-PS1-1

How many total atoms are present in NaOH?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

What is the total number of oxygen atoms in 4 HNO3?

• 4

• 8

• 12

• 16

Tags

NGSS.MS-PS1-1

Fill in the blank: In the compound 4 Mg(OH)2, there are ___ magnesium atoms.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Identify the elements in the compound 4 HNO3.

• A) H, N, O

• B) H, N, Cl

• C) H, O, Cl

• D) H, N, C

Tags

NGSS.MS-PS1-1

In the compound 2 NaOH, how many sodium atoms are present?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Fill in the blank: In the compound 4 Mg(OH)2, there are ___ oxygen atoms.

• 4

• 8

• 12

• 16

Tags

NGSS.MS-PS1-1

How many total atoms are present in MgCl2?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1