1.

Electronic configurations of the five neutral atoms are given below: A. 1s2 2s2 2p6 3s2. B. 1s2 2s2 2p6 3s1. C. 1s2 2s2 2p1. D. 1s2 2s2 2p3. E. 1s2 2s2 2p6. Write the empirical formula for the substances containing (i) A and D (ii) B and D (iii) D and D (iv) E and E using proper symbols of the elements.

Answer»

A)CALCIUMB)POTASSIUMC)BOROND)NITROGENE)NEONHope it HELPS and PLEASE MARK me as BRAINLIEST



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