English, asked by soumyadeepbiswas503, 9 months ago

certain it is ( negetive )

Answers

Answered by sushilyashk

0

Answer:

No, it is positive.. ...

Answered by randhirsinghrana13

2

Answer:

certain negative ion X

−2

has in its nucleus 18 neutrons and 18 electrons in its extra nuclear structure. What is the mass number of the most abundant isotope of 'X'?

Explanation:

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