The number of protons to neutrons in the nucleus of an atom is 5 to 6 if the number of protons in the nucleus is 30 then find the number of neutrons in the nucleus

The mass number (A) of an atom is the total number of protons and neutrons in its nucleus. The mass of the atom is a unit called the atomic mass unit (amu). One atomic mass unit is the mass of a proton, or about 1.67×10−27 kilograms, which is an extremely small mass.

Step-by-step explanation:

do you have the measurements?

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.