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Periodic Table Daing Nurfarah Raihana Bt Moh Kahar - Coggle Diagram
Periodic Table
Daing Nurfarah Raihana Bt Moh Kahar
Properties in group
Alkali metal
silver coloured
soft metal low density
increasing reactivity
decreasing melting & boiling point
Vigorous reactions with water to give out hydrogen gas
one electron in their valence shell
Alkaline earth metals
silver coloured
soft metals
react readily with halogens to form ionic salts with water
higher melting & boiling points than alkali metal
two electron in their valence shell
Halogens
High reactivity decreases down the group
At room temperature, Fluorine and Chlorine are gases.
Bromin is liquid
Iodine are solid
Classification
Group
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18
Period
Chemical elements in the first period
Chemical elements in the second period
Chemical elements in the third period
Chemical elements in the fourth period
Chemical elements in the fifth period
Chemical elements in the sixth period
Chemical elements in the seventh period
Chemical elements in the eight period
Blocks
s- block
p- block
d- block
f- block
g- block