Question

9. Silicon atom has an atomic mass of 28 u and 14
protons are present in its nucleus, How many
neutrons does it have?​

Answer 1

Answer:

14 neutrons

Explanation:

We know that the sum of numbers of neutrons and protons are equal to the mass of the element .

Here mass=28 u

proton=14

so neutrons = 28-14= 14

Answer 2

Answer:

14

Explanation:

just subtract 28 and 14 that is atomic number -no. of protons or electrons

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