Conservation of Matter Review

Matter cannot be _______ or destroyed.

• created

• found

• moved

• bought

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

The total number of atoms of each element is not changed during a chemical reaction

• Chemical reaction

• Law of conservation of mass

• Mass

• Atom

Tags

NGSS.MS-PS1-5

The smallest part of all matter

• Chemical reaction

• Mass

• Atom

• Conserve

Tags

NGSS.MS-PS1-1

When the number of each reactant's atoms and the number of each product's atoms are equal, the chemical reaction is [BLANK]

• Balanced

• Mass

• Destroyed

• Coefficient

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Matter is not created or [BLANK] during a chemical reaction

• Balanced

• Mass

• Destroyed

• Coefficient

Tags

NGSS.MS-PS1-5

The total number of [BLANK] is conserved (stays the same) and the mass does not change.

• Subscript

• Mass

• Atoms

• Coefficient

Tags

NGSS.MS-PS1-5

What states that matter is not created or destroyed in a chemical reaction and that the mass does not change.

• Subscript

• Law of conservation of matter

• Coefficient

• Atoms

Tags

NGSS.MS-PS1-5

The number placed in front of a chemical symbol in a balanced equation

• Subscript

• Mass

• Atoms

• Coefficient

The number written below and to the right of a chemical symbol to show how many atoms are present.

• Subscript

• Mass

• Atoms

• Coefficient

How many nitrogen (N) atoms are in the following molecule?

• 0

• 1

• 2

• 3