Question

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Answer 1

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HERE IS YOUR ANSWER...

vii) Atomic number: 20

group: 2

period: 4

vi) SILVER NITRATE REACTS WITH SODIUM CHLORIDE TO GIVE SILVER CHLORIDE AND SODIUM NITRATE.

WE CAN UNDERSTAND THAT A DOUBLE DISPLACEMENT REACTION HAS TAKEN PLACE.

HOPE IT HELPS YOU ❤

Answer 2

atomic no is 20

group is 2

period 4