Balancing Chemical Equations

Front

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

Back

Reactants

Front

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

Back

Products

Front

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

Back

Subscript

Front

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

Back

No

Front

What is the number before a chemical formula called?
Ex: 2H₂ + O₂ --> 2H₂O

Back

Coefficient

Front

How many aluminum atoms are in Al₂(SO₄)₃?

Back

2

Front

Is the following reaction balanced?
NaHCO₃ --> Na₂CO₃ + H₂O + CO₂

Back

no

Front

Balance this equation: _Zn + _O2 --> _ZnO

Back

2, 1, 2

Front

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

Back

NO

Front

In the equation, 2Mg + O₂ ---> 2MgO, which are the reactants?

Back

Mg and O