Metals, Nonmetals, and Metalloids

3 characteristics of alkali metals include; highly reactive, low melting points, conduct electricity.

The alakli metals have 2 electrons in their outer shell.

3 characteristics of alkaline earth metals include; low density, hard, silver metals, ductile, and malleable.

Alkaline earth metals are found in nature as compounds.

There are 40 elements that are the transition metals.

Most of the transition metals are attracted to a magnetic field and have high melting points.

How many elements are used to build your cell phone?

Elements 47 to 71 are lanthanides.

Elements from 89 to 103 are the actinides.

Halogens are toxic.

When halogens are made into compounds thery form useful products.

The noble gases all have full valance electron shells.

The noble gases are unstable and very reactive.