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22/11/2020 4:44 pm
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Identify and name the metals out of the following elements whose electronic configurations are given below.
(a) 2, 8, 2
(b) 2, 8. 1
(c) 2.8. 7
(d) 2. 1
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22/11/2020 4:50 pm
(a) Magnesium, (b) Sodium, (c) chlorine, (d) Lithium
Metals are (a) Magnesium, (b) Sodium and (d) Lithium as they have 1 to 3 valence electrons. Whereas, (c) chlorine is a non-metal.