Balancing Equations Review

Front

Is this equation balanced?

Back

no

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is this equation balanced?

Back

yes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Balance this equation
_N₂ + _H₂ --> _NH₃

Back

1,3,2

Tags

NGSS.MS-PS1-5

Front

Law of Conservation of Mass

Back

Matter cannot be gained or lost in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What is the little number after an element in a chemical equation called?
Example: H₂

Back

Subscript

Front

What is the arrow in a chemical equation...
H_{2 +} O --> H₂O

Back

Yields 

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Tags

NGSS.MS-PS1-5

Front

Coefficient

Back

The large number to the left of a formula.

Tags

NGSS.MS-PS1-5

Front

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂--> 2Al₂O₃

Back

4

Tags

NGSS.MS-PS1-1

Front

Is the following equation balanced?...
Al + O₂ --> 2Al₂O₃

Back

No

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5