Question

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Answer 1

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Answer 2

Answer:

a) Na , K , Li .

b) these are called Halogens. because these metals react with alkali metals and alkaline earth metals to form halide salts.

c) group 2.

d) Na+

e) Fluorine.

f) Helium .

g) K

h) He , Ne ,Ar ( inert gases )

Explanation:

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