Two elements, 16
8 X and 18
9 Y . Then the ratio of the Neutrons of X and Y is ........
A) 1 : 1 B) 1 : 2 C) 3 : 2 D) 4 : 5
Answers
Answered by
0
Answer:
option d is correct for first atom 8x16 means 8 is atomic no. and atomic mass is 18 then then neutron is 8 and 9Y18 then neutron is 9 so 8/9
Answered by
0
Answer:
number of neutrons = atomic mass - atomic number.
so the answer is option D
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