Elements X, Y and Z have atomic number 6, 9 and 12 respectively. Which

1.	Elements X, Y and Z have atomic number 6, 9 and 12 respectively. Which are :(i) forms an anion(ii) forms a cation ?(iii) has four electrons in its valence shell ?ElementAtomic No.Electronic configurationX62,4Y92,7Z122,8,2
Answer» (i) Y will form an anion (ii) Z forms a cation (iii) X has four electrons in its valence shell.

Elements X, Y and Z have atomic number 6, 9 and 12 respectively. Which are :(i) forms an anion(ii) forms a cation ?(iii) has four electrons in its valence shell ?ElementAtomic No.Electronic configurationX62,4Y92,7Z122,8,2

Answer»

(i) Y will form an anion

(ii) Z forms a cation

(iii) X has four electrons in its valence shell.