The alkali metals

1.

3
Li
Gr o u p 1 - T h e A l k a l i Me t a l s
Lithium
THE GRO U P 1ELEMENTS ARE SHINY, SOFT, AND HIGHLY REACTIVE METALS, NONE O F W H I CH O CCU R NATURALLY AS F REE ELEMEN TS
M E L T I N G P O I N TS
11
Na
ME TA L HY DROXI DE S
Sodium
0
Li
200
0
180.5˚C
19
K
Potassium
37
Rb
Rubidium
55
Cs
Caesium
87
Fr
Francium
T H E AL K A L I ME TA L S R EA C T W I T H
W A T E R T O F O RM
0
Rb
39.5˚C
Na
200
0
97.7˚C
200
0
Cs
K
200
LiOH
63.4˚C
200
0
28.4˚C
Fr
200
27.0˚C
ALL
O F THE
K
G R O U P 1 ME TA L S
HAV E
O NE
VALENCE ELECTRON
NaOH
KOH
AL K AL I ME TAL S
R E A C T W I T H
O X YG E N TO F O R M
ME T A L O X I DE S
A L K A L I ME TAL S
R E A C T W I T H
H A L O G E N S TO FORM
I O N I C S A LT S
U S E S
O F
T H E
RbOH
CsOH
Na+
Cl-
Na+
Cl-
Cl-
Na+
Cl-
Na+
Na+
Cl-
Na+
Cl-
Cl-
Na+
Cl-
Na+
A L K A L I
M E T A L S
THE REACTIVITY OF THE GROUP 1METALS
INCREASES DOWN THE GROUP
A S T H E OU T E R E L E C T R ON G E T S
F U RTHER F RO M THE NU CL EU S
& B E C O M E S EA S I E R TO R E M O V E
LITHIUM
SODIUM
POTASSIUM
ANTI
DEPRESS ANTS
STREET LAMPS
FERTILISERS
BATTERIES
TABLE SALT
SOAPS
2013 C O M P O U N D I N T E R E S T -
RUBIDIUM
& CAESIUM
FRANCIUM
ATOMIC
CLOCKS
RADIOACTIVE
W
W W . C O M P O U N D I N T E R EST. C O M
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