Coefficients

We used baking soda before in a chemical reaction. How many molecules of it are represented here? 3 NaHCO₃

• 1

• 3

• 4

Tags

NGSS.MS-PS1-1

How many total POTASSIUM atoms are in this formula?

• 8

• 2

• 4

• 12

Tags

NGSS.MS-PS1-1

To balance an equation you should:

• ONLY change subscripts.

• ONLY change coefficients.

• Change BOTH subscripts and coefficients.

How many Nitrogen (N) atoms are in 4NH₃?

• 4

• 1

• 3

• 12

Tags

NGSS.MS-PS1-1

How many Hydrogen (H) atoms are in 4NH₃?

• 4

• 1

• 3

• 12

Tags

NGSS.MS-PS1-1

Is this equation balanced?

• Yes

• No

Tags

NGSS.MS-PS1-5

Is this equation balanced?

• Yes

• No

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this equation balanced?

• yes

• no

• Not enough information

Tags

NGSS.MS-PS1-5

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

• 1

• 3

• 6

• 12

Tags

NGSS.MS-PS1-5