calculate the atomic number of an element whose atomic nucleus has mass number 23 and neutron number 12.Find the element?
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calculate the atomic number of an element whose atomic nucleus has mass number 23 and neutron number 12.Find the element?
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atomic mass =no. of neutron +no. of proton in it's nucleus.
let no. of proton is x.
23=x+12
x=23-12=11.
therefore 11 proton will be in that atom's nucleus.
and also as we know that.
no. of proton =atomic number.
therefore atomic number of that atom will be 11.
hence that atom will be sodium (Na)
because sodium's atomic number is 11.
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