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Question
Match the atomic numbers 4, 14, 8, 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.
Match the atomic numbers 4, 14, 8, 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.
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Solution
(a) A solid non-metal of valency 3. 15
(b) A gas of valency 2. 8
(c) A metal of valency 1. 19
(d) A non-metal of valency 4. 14
(a) A solid non-metal of valency 3. 15
(b) A gas of valency 2. 8
(c) A metal of valency 1. 19
(d) A non-metal of valency 4. 14
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