Question

The number of electrons in an element with atomic number X and atomic mass Y will be:

1 point

(X - Y)

(Y - X)

(X + Y)

X

​

Answer 1

Answer:

x

Explanation:

The number of electrons in an element with atomic number X and mass number Y will be X. It will be equal to the number of protons. The number of neutrons will be Y−X.

Number of electrons = number of protons = atomic number.

Number of neutrons = Mass number − atomic number.

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Answer 2

Answer:

the answer is x

Explanation:

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