Question

how can we calculate the atomic mass of an element if its atomic number is 11 and number of neutrons present in it is 12​

Answer 1

Answer:

23

Explanation:

Atomic Number + No. of neutrons = Atomic Mass

So, 11 + 12 = 23

Answer 2

Answer:

atomic number = number of proton

Number of proton = 11

Atomic Mass = Number of proton + Number of neutron

= 11 +12= 23