Be

Mg

Ca

Sr

Ba

Ra

Beryllium

Magnesium

Calcium

Strontium

Barium

Radium

4

12

20

38

56

88

Group 2 - The Alkaline Earth MetalsTHE GROUP 2 ELEMENTS ARE SHINY, SILVERY-WHITE, AND SOMEWHAT REACTIVE METALS, SOME OF WHICH OCCUR NATURALLY AS FREE ELEMENTS

Be Mg Ca

Sr Ba Ra

M E L T I N G P O I N T S

15000 0 0

0 0 0

1278C 650C 839C

764C 725C 700C

A L L O F T H E

G R O U P 2 M E TA L S H A V E

TWO VALENCE ELECTRONS

THE REACTIVITY OF THE GROUP 2 METALS INCREASES DOWN THE GROUPAS T H E OUT E R E L E C T RON S G E T F U R T H E R F R O M T H E N U C L E U S & B E C O M E E A S I E R T O R E M O V E

T H E A L K A L I NE E A R T H ME TA L S

R E A C T WI T H WAT E R TO F O R M

ME TA L HY DROXI DE S . . .

G R OU P 2 ME TA L SR E A C T W I T H OX YG E N TO F O R M M E T A L O X I D E S

G R O U P 2 ME TA L S R E A C T W I T H HALOGENS TO FORM M E T A L H A L I D E S

BERYLLIUM MAGNESIUM CALCIUM STRONTIUM BARIUM

EMERALDS

TELESCOPEMIRRORS

ALLOY WHEELS

FLARES

BONES

BLACKBOARD CHALK

FIREWORKS

TREATING OSTEOPOROSIS

RAT POISON

GLASSMAKING

U S E S O F T H E A L K A L I N E E A R T H M E T A L S

Ca

2013 COMPOUND INTEREST - WWW.COMPOUNDCHEM.COM

1500 1500

1500 1500 1500

M(OH)2 E

XC

EP

T

BeF O R

W H I C H HA S A P R O T E C T I V E O X I D E L A Y E R P R E V E N T I N G R E A C T I O N

T H E Y A R E L E S S R E A C T I V E T H A N G R O U P 1

RA

DI

UM

R A D I U M I S AR A D I O A C T I V EE L E M E N TW HI C H U S E D TOBE USED TO MAKEG L O W I N T H E D A R K P A I N T