2. Which element has:
(a) Two shells, both of which are completely filled with
electrons?
(b) The electronic configuration 2, 8, 3?
(c) The non-metals present in period 2 and metals in
period 3.
(d) Maximum metallic character Na, Li or K.
(e) Name the element which has highest ionization
potential.
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Answer:
(i) Oxygen (2,8)
(ii) aluminium
(iii) Non-metal in period 2 - Bromium
Metal in period 3 - Sodium
(iv) Potassium (K) has max. metallic character
(v) Noble gases has highest ionisation potential
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