8th Grade Chemistry Review

Front

Anything that has mass and takes up space

Back

matter

Front

Mixture in which the individual substances are evenly mixed

Back

homogeneous

Front

An element consists of just one type of

Back

atom

Front

The number of protons can be found by reading what from the Periodic Table? Options: atomic mass, mass number, energy level, atomic number

Back

atomic number

Front

A compound is

Back

2 or more atoms of different elements chemically combined

Front

Carbon dioxide and sodium chloride are examples of

Back

compounds

Front

Which of the following is a physical change?

• burning wood
• cutting paper
• photosynthesis
• apple browning

Back

cutting paper

Front

If 4g of salt is dissolved in 200g of water, what would the mass of the solution be?

Back

204g

Front

Evidence of a chemical change: melting, boiling, bubbling/fizzing, change of size

Back

bubbling/fizzing

Front

Which property of an unknown element determines the other elements it reacts with?

Back

The number of valence electrons in the unknown element