12 lessons • 35m


3m 34s

Alkali metals

7m 16s

Ionisation energy

8m 20s


8m 20s

Physical properties - 1

9m 04s

Physical properties - 2

8m 09s

Physical Properties - 3

9m 47s

Chemical properties - 1

9m 00s

Chemical properties - 2

10m 22s

Chemical properties - 3

7m 26s

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