Al

AluminumAlAluminum

13

26.982

-

p=13n=14

-

Atomic #

Atomic Symbol

Atomic Mass

# of protons

# of electrons

# of neutrons

State of matter at Room Temp.

13

Al

26.982

13

13

26.982 rounds to 27. 27 – 13 = 14

Solid

Aluminum AlAluminum

13

26.982

-

p=13n=14

-

Loses 3 electrons to be like the noble gas Neon. The ion is Al3+

Al

C N O

ClNa

Aluminum AlAluminum

13

26.982

-

p=13n=14

-

•The lightest metal readily available.•3rd most common element in the earth’s crust.•Typically not found free in nature but in compounds such as Al2O3

•Very useful in manufacturing since it is light, non-reactive, and easily shaped.

Aluminum AlAluminum

13

26.982

-

p=13n=14

-

Aluminum AlAluminum

13

26.982

-

p=13n=14

-