Chemistry, asked by tehaminadeem, 1 month ago

An element with electronic configuration 2,8,1 and mass number 23 has ____ neutrons

Answers

Answered by manaschauhan26

2

Answer:

11

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Answered by xitzwinterbearx

2

Explanation:

sodium

The mass number is given at the top left of the elements symbol, for example, sodium has a mass number of 23. We know that the atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons.

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