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An element Y is in second period and group 16 of the periodic table: (i) Is it a metal or non-metal? (ii) What is the number of valence electrons in its atom?

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An element Y is in second period and group 16 of the periodic table:

(i) Is it a metal or non-metal?

(ii) What is the number of valence electrons in its atom?

(iii) What is its valency?

(iv) What is the name of the element?

(v) What will be the formula of the compound formed by Y with sodium?

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(i) Non-metal

(ii) 6

(iii) 2

(iv) Oxygen

(v) Na2Y

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