Q15. An element is represented as 16X8. Find
B
(a) The number of electrons in element X.
(b)Mass number of element X.
(c) The number of neutrons in element X.
(d) Valency of element X
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li is observing his image in a plane mirror. The distance between Ali and the
mirror is 5m. If he moves 1m towards the mirror, what will be the new distance
between the mirror and Ali’s image?
please give me a brief answer
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