SPS 2nd Nine Weeks Review

Front

Determine if tearing paper is a physical change or a chemical change.

Back

Physical change

Front

Determine if burning a match is a physical change or a chemical change.

Back

Chemical change

Front

Determine if breaking a glass is a physical change or a chemical change.

Back

Physical change

Front

Determine if melting ice is a physical change or a chemical change.

Back

Physical change

Front

Lewis dot structure is a __________ of the number of valence electrons in an element.

Back

Model

Front

__________ are electrons in the outermost shell of an atom.

Back

Valence electrons

Front

Name the types of chemical bonds.

Back

Ionic, covalent and metallic

Front

Matter can be classified into two groups: __________ and __________.

Back

Pure substances and Mixtures

Front

______________ is a mixture that is not uniform.

Back

Heterogeneous

Front

In a ______________ mixture, the different components cannot be separated.

Back

Homogenous