The number of protons, neutrons and electrons in four elements 1, 2 , 3 and 4 are follows: (1) p=6, n=6, e=6 (2) p=6, n=7, e=6 (3) p=18, n=22, e=18 (4) p=19, n=21, e=19 In these
(a)	element 1 and 2 are isotopes and element 3 and 4 are isobars	(b)	element 1 and 2 are isotopes but element 3 and 4 are not isobars
(c)	element 1 and 2 are isobars and element 3 and 4 are isotopes	(d)	element 1 and 2 are isobars but element 3 and 4 are not isotopes

Question ID - 153106 | SaraNextGen Top Answer

The number of protons, neutrons and electrons in four elements 1, 2 , 3 and 4 are follows: (1) p=6, n=6, e=6 (2) p=6, n=7, e=6 (3) p=18, n=22, e=18 (4) p=19, n=21, e=19 In these
(a)	element 1 and 2 are isotopes and element 3 and 4 are isobars	(b)	element 1 and 2 are isotopes but element 3 and 4 are not isobars
(c)	element 1 and 2 are isobars and element 3 and 4 are isotopes	(d)	element 1 and 2 are isobars but element 3 and 4 are not isotopes