Positively charged protons in the nucleus, hope this helps.
Answer:
The mass number (A), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. The mass number is different for each different isotope of a chemical element.
The Sun is currently a main sequence star and will remain so for another 4-5 billion years. It will then expand and cool to become a red giant, after which it will shrink and heat up again to become a white dwarf. The white dwarf star will run out of nuclear fuel and slowly cool down over many billions of years.
<span>Its b.aluminum
I hope this helps and sorry if I am wrong </span>
A. The bonds between the individual monomers of a polymer are broken by the addition of water molecules.
