Chapter 16 Review

A(n) ___________ is matter that is composed of one type of atom.

• element

• compound

• mixture

• substance

The smallest piece of an element that still retains the properties of the element is a(n) ____________.

• atom

• molecule

• compound

• substance

The nucleus of an atom is ____________ charged.

• negatively

• positively

• neutrally

• not

Neutrons have ___________ charge.

• positive

• negative

• no

Electrons have ___________ charge.

• positive

• negative

• no

Protons have ___________ charge.

• positive

• negative

• no

Protons are made of ____________.

• electrons

• neturons

• atoms

• quarks

The area around the nucleus where electrons are most likely to be found is called the _____________.

• electron field

• electron cloud

• quark

• nucleus

The number of protons in an atom is the ___________.

• atomic number

• atomic mass

• mass number

• atomic weight

The mass number minus the atomic number equals the number of _____________.

• nucleus

• neutrons

• protons

• electrons