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Variable Valency

What is the v...

Question

What is the valency range of metals?

A

1 to 4

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B

1 to 2

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C

3

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D

1 to 3

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Solution

The correct option is D
1 to 3

Metals have their valency ranging from 1 to 3.

Metals tend to lose electrons to attain their respective duplet or octet and hence the maximum electrons any metal can lose is either 1, 2 or 3.

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Similar questions

Q. (i) Name three elements each whose ions have valency +1,+2 and +3 respectively.
(ii) Name three non-metals/radicals which have valency -1,-2 and -3.

Match the atomic number 4, 8, 14, 15 and 19 with each of the following:

(a) A solid non-metal of valency 3.

(b) A gas of valency 2.

(c) A metal of valency 1.

(d) A non-metal of valency 4.

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{2}

How to find valency of zinc by electronic configuration?

Which of the following relations are functions from A = { 1, 4, 9, 16 } to B = { -1, 2, -3, -4, 5, 6 }. In case of a function, write down its range.

f_{2}

= { (1, -4), (1, -1), (9, -3), (16, 2) }.

Which of the following relations are functions from A = { 1, 4, 9, 16 } to B = { -1, 2, -3, -4, 5, 6 }. In case of a function, write down its range.

f_{1}

= { (1, -1), (4, 2), (9, -3), (16, -4) }

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Variable Valency

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