Chemistry
Arrange the following:
(i) N, Be, O, C (in increasing order of non-metallic character)
(ii) P. Si, F. Be (in decreasing order of valence electrons)
Periodic Table
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Answer
(i) Be < C < N < O
(ii) F > P > Si > Be
Reason
(i) Across a period, left to right in a periodic table, the non-metallic character increases.
(ii) The valence electrons decreases from right to left in the periodic table.
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