Choose the pair of isotones from the following.
(A) 8O17& 8O16
(B) 12 Mg24&11Na24
(C)18Ar40 &19K40
(D)11Na23&12Mg24
The value of electric charge on any objects cannot be less than:
(A) 4.8x10-19C
(B)1.6x10-19C
(c)3.2X10-19C
(D)1C
Select the INCORRECTLY spelt word in the given sentence.
Uluru is the world's largest monolith and Australia's recognisable natural icon with an elliptical shape and a circumfarence
of around 94 kilometers.