Elements and the Periodic Table

The __ family is he most reactive of metals in the periodic table.

If a substance is __, it can be pulled or drawn into a wire.

The mass of a proton is measured in one __.

An element's __ tells the number of protons in its nucleus.

The lanthanides and actinides are shown at the __ of the periodic table.

The __ family is the most reactive group on the right side of the periodic table.

This model of an atom is a ball of pos. charge w/ negatively charged electrons embedded in it.

The particles that are lost, gained, or shared in a chemical reactions are

A(n) _ is a positively charged particle in an atom's nucleus.

Dmitri Mendeleev created the first

A(n) __ molecule consists of two nonmetal atoms bonded together.

The reactivity of metals generally __ as you move from left to right across the periodic table.

An element's properties can be predicted from its

___ are good conductors of heat and electricity.

A(n) __ has some of the properties of both metals and nonmetals.

Which of the following is NOT a characteristic of most metals?

Elements are arranged in order of __ atomic mass.