Question

Y = 20
Z7
X=10
number and period of these elements in the periodic table.
(c) Determine the valency of these elements.
(d) Write the balanced equation when oxide of Y is dissolved in water.
(eAn element which is an inert gas.​

Answer 1

Answer:

a) Elements-Neon(Ne),Calcium (Ca),Nitrogen (N).Silicon (Si)

b) Group-18,2,15,14

c) Period-2,4,2,3

d) Electronic configuration-(2,8);(2,8,8,2);(2,5);(2,8,4)

e) Valency-0,2,3,4

Explanation:

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