A neutron.
wich one
Subtract the atomic number of the isotope from its atomic mass number to obtain the number of neutrons in an isotope.
does how many mean add or subtract
The opposite of add is subtract.
it means to subtract
deposit = add withdraw = subtract
You add or subtract only the numerators
When you add, your answer is the sum.When you subtract, your answer is the difference.
You have to add the additive inverse. To subtract q, you add -q.
subtract the number of protons from the number of electrons. The above answer does not answer the question!!
By the signs: 2+2(Add) 2-2(Subtract) +=add -=subtract
subtract