Chemical Equations

Front

What does the principle of conservation of mass mean in chemical reactions?

Back

Matter is not created or destroyed.

Tags

NGSS.MS-PS1-5

Front

How many atoms are there TOTAL in H₂SO₄?

Back

7

Tags

NGSS.MS-PS1-1

Front

How many Sodium (Na) atoms are in 6NaCl?

Back

6

Tags

NGSS.MS-PS1-1

Front

What does the number 4 represent in 4NH₃?

Back

Coefficient

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Tags

NGSS.MS-PS1-1

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What are reactants in a chemical equation?

Back

Substances that undergo a chemical change.

Tags

NGSS.MS-PS1-2

Front

What are products in a chemical equation?

Back

Substances formed as a result of a chemical reaction.

Tags

NGSS.MS-PS1-1

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of an element in a molecule.

Front

What is the purpose of balancing a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides.

Tags

NGSS.MS-PS1-5