ICSE Class 10 Chemistry 2013 Solved Paper

Group number	IA 1	IIA 2	IIIA 13	IVA 14	VA 15	VIA 16	VIIA 17	0 18
$2^{\text "nd "}$ period	Li		D			O	J	Ne
	A	Mg	E	Si		H	M
	R	T	I		Q	u		y

● In this table $H$ does not represent hydrogen.
● Some elements are given in their own symbol and position in the periodic table.
● While others are shown with a letter.
With reference to the table answer the following questions :

Question : 38 of 84

Marks: +1, -0

Identify the most reactive element of group 1.

Solution:

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