Question

Calculate the number of protons, electrons and neutrons in the following atoms: 11Na23

Answer 1

Answer:

no. of protons : 11

no. of electrons : 11

no. of neutrons : 12 (23 - 11)

Explanation:

¹¹Na23

11 denotes the no. of protons and electrons

FYI 11 is also called atomic number of sodium and 23 is the mass number of sodium. No. of neutrons is obtained by subtracting mass no. from atomic no.

Hope it helps

Answer 2

Answer:

no. if protons =11,no. of electrons =11,no. of neutrons=12

Explanation:

atomic no.=no. of electrons=no. of protons

mass no.=no. of neutrons+no. of protons

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