Question

4. Identify the following elements whether it is metal, non-metal, metalloid, Noble

gas. Write its electronic configuration and valency [5]

i) Fluorine (At. No = 7)

ii) Magnesium (At. No = 12)

iii) Lithium (At. No = 3)

iv) Neon (At. No = 10)

v) Sulphur (At. No = 16)​

Answer 1

flourine valency - 7

magnesium valency - 2

lithium valency - 1

neon valency - 8

sulphur valency - 6

its the answer....

Answer 2

Answer:

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