Question

You are given an elements 16 X. Find out 8 (a) Number of protons, electrons and neutrons in ‘X’ (b) Valency of ‘X’ (c) Write the chemical formula of the compound formed when ‘X’ react with (i) hydrogen, (ii) carbon

Answer 1

a.proton -8
electrons-8
neutrons-8
b. valency = -2
C.I)H2X
ii)CX2

Answer 2

Answer:

(a) protons   = 8

    neutrons = 8

    electrons = 8

(b) valency =  2

(c) (i) H2X

    (ii) CX2

Explanation:

(a) Number of protons and electrons = atomic number

here atomic number is 8

so number of protons is 8

also number of electrons is also 8

Atomic number - number of protons = number of neutrons

16-8= 8

number of neutrons = 8

(b) number of electrons present in the outer most shell = 6

valency =2

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