Organic Chemistry
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Based on their position on the periodic table, how many core and valence electrons do the following elements have?
(i) Arsenic
(ii) Antimony
(iii) Strontium
(iv) Beryllium
(i) 5 core electrons & 28 valence electrons
(ii) 5 core electrons & 46 valence electrons
(iii) 2 core electrons & 36 valence electrons
(iv) 2 core electrons & 2 valence electrons
(i) 33 core electrons & 28 valence electrons
(ii) 51 core electrons & 46 valence electrons
(iii) 38 core electrons & 36 valence electrons
(iv) 4 core electrons & 2 valence electrons
(i) 28 core electrons & 5 valence electrons
(ii) 46 core electrons & 5 valence electrons
(iii) 36 core electrons & 2 valence electrons
(i) 28 core electrons & 33 valence electrons
(ii) 46 core electrons & 51 valence electrons
(iii) 36 core electrons & 38 valence electrons
(iv) 2 core electrons & 4 valence electrons