Question

8.Q.From the following elements: Be(4),F(9),K(19),Ca(20) (i) Select the element having one electron in outermost shell (ii)two elements of the same group (iii)write the formula of and mention the nature of the compound formed by the union of K and X(2,8,7) *
2 points
(i)K (ii) Be and Ca, (iii) KX ionic compound
(i)Ca (ii) Be and F, (iii) K2X covalent compound
(i)K (ii) Be and Ca, (iii) K2X covalent compound
(i)F (ii) K and Ca, (iii) KX2 ionic compound​

Answer 1

Answer:

lyxydtjdyfukfkufykfulgulglgipg7ot79t7og7of69fo7f7og7og7py80f7p7pgog7of7pf6of7og7og7ogp7g8p