Question

Consult Periodic table and make a list of metals showing valency 1, 2, 3 and why? Also name the non

metal discovered so far their symbol, atomic weight, physical state, valency and colour.​

Answer 1

Answer:

Valency 1 : sodium (becos appears in grp 1)

Valency 2: beryllium (becos appears in grp 2)

Valency 3: boron (becos appears in grp 13)

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