Activity 1.7

1	Select any 20 elements from all groups.

Ans:	20 elements from all groups are selected as below: Sodium Magnesium Copper Zinc Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Aluminium Silicon Phosphorus Sulphur Chlorine Argon Lanthanum Actinum

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2	Identify the block to which each element belongs.

Ans:	s-block p-block d-block f-block Sodium Aluminium Copper Lanthanum Magnesium Silicon Zinc Actinum Phosphorus Scandium Sulphur Titanium Chlorine Vanadium Argon Chromium Manganese Iron Cobalt Nickel

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3	Identify the group to which the element belongs.

Ans:	IA and IIA IB to VIIB VIIIB IIIA to VIIA Zero Group Sodium Copper Iron Aluminium Argon Magnesium Zinc Cobalt Silicon Scandium Nickel Phosphorus Titanium Sulphur Vanadium Chlorine Chromium Manganese