Q: If atomic number of an element is 11, the correct name, symbol and valency are:
(a)Lithium, Li, 1
(b)Magnesium, Mg, 2
(c)Boron, B, 3
(d)Sodium, Na, 1
Correct Answer: (d)
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Q: If atomic number of an element is 11, the correct name, symbol and valency are:
Correct Answer: (d)