8th Grade 3.1

Multiple Choice

An atom's valence electrons are those electrons that have the highest energy.

• True

• False

Multiple Choice

Atoms tend to be stable and nonreactive if they have six valence electrons.

• True

• False

Multiple Choice

In the periodic table, the number of valence electrons in each element decreases from left to right across each period.

• True

• False

Multiple Choice

The reactivity of a metal depends on how easily it loses its valence electrons.

• True

• False

Multiple Choice

Within each period in the periodic table, elements have similar properties because they have the same number of valence electrons.

• True

• False

Multiple Choice

The number of  ___________  in the atom of an element determines its chemical properties.

• protons

• neutrons

• valence electrons

Multiple Choice

The columns in the periodic table are called

• classes

• metals

• groups

Multiple Choice

A(n) ____________ shows the number of valence electrons in an atom in pictorial fashion

• electron dot diagram

• periodic table

• balanced equation

Multiple Choice

The attractive force that holds two atoms together is called a(n)

• gravitational bond

• electronic bond

• chemical bond

Multiple Choice

Because it can either lose or share electrons when it combines with other elements, each   ____________________  has some of the properties of metals and some of the properties of nonmetals.

• metalloid

• noble gas

• neutral element