Match the atomic number 4,8,6,15and 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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ATOMIC NUMBERS
4 = 2,2
8 = 2,6
6 = 2,4
15 = 2,8,5
19 = 2,8,8,1
(a) A solid non metal of valency 3 = 15 (Atomic number)
(b) A gas of valency 2 = 8 (Atomic number)
(c) A metal of valency 1 = 19 (Atomic number)
(d) A non metal of valency 4 = 6 (Atomic number)
4 = 2,2
8 = 2,6
6 = 2,4
15 = 2,8,5
19 = 2,8,8,1
(a) A solid non metal of valency 3 = 15 (Atomic number)
(b) A gas of valency 2 = 8 (Atomic number)
(c) A metal of valency 1 = 19 (Atomic number)
(d) A non metal of valency 4 = 6 (Atomic number)
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