Question

in an atom AL13 no. of proton is (a) electron is (b) and neutron is (c) hence ratio will be

Answer 1

Here Is Your Ans ⤵

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➡atomic number = number of electrons = number of protons

➡number of proton is 13

➡number of electron is 13

➡atomic mass = number of proton + number of neutron

➡Number of neutrons = 27 -13

➡ Number of neutrons = 14

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Answer 2

We know that,

atomic number=no of electron

so, Al has 13electons

(b) Now, no of neutron =atomic mass-no of electron

Then, 27-13=14

(c) no of electron/no of proton=13/14