A portion of the modern periodic table is given below. Choose the correct option with respect to the electron affinity of the given elements.
An element which is an essential constituent of all organic compounds belongs to the following group of the modern periodic table :
(a) group 4 (b) group 14 (c) group 15 (d) group 16
Question 17
Elements of which of the following group (s) of periodic table do not form hydrides?
(a) Groups 7,8,9 (b) Group 13
(c) Groups 15,16,17 (d) Group 14
Group 13
Group 14
Group 15
Group 16
Group 17
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15