Chem Unit Part 1 Vocab Review

These are the basic building blocks of all matter.

_______ is the part of the atom with a positive charge.

Organize these options into the right categories:

Groups:

(a) Physical Change

,

(b) Physical Property

,

(c) Chemical Change

,

(d) Chemical Property

• a bicycle rusting

• toasting a marshmallow

• ice cube melting

• cutting an apple

• burning

• odor

• blue color

• reacting with water

_____________ is a state of matter that has a definite shape and a definite volume.

• gas

• liquid

• solid

• plasma

Properties of matter like color, size and shape are chemical properites.

• True

• False

This is the positively charged center of the atom.

• electron cloud

• protons

• nucleus

• neutrons

The _______ theory is the theory that all matter is composed of atoms.

Rusting of a car is an example of

• chemical change

• chemical property

• physical change

• physical property

Match the following

• electron cloud

• Negative charge particle in atom

• neutron

• a model that shows electrons traveling in specific energy levels around a nucleus.

• proton

• positively charged part of atom

• nucleus

• neutral particle in atom

• electron

• positively charged center of atom

This is when a substance changes into a new substance which has different properties; two substances combine, a new substance(s) is formed

• chemical change

• chemical property

• physical change

• physical property