Question

Samadhaan of SCIENCE Class X
TION-B
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24. A part of the periodic table is given below:
Li Be
B C N O F
Na Ma
Al Si P S CI
K Ca
Ga Ge As Se
Se Br
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Based on the given table:
(a) As we move horizontally from left to right, what
happens to the non-metallic character of the
elements?
(b) As we move horizontally from left to right, what
happens to the valency of elements?
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Answer 1

Answer:

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Explanation:

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