Respuesta :

alex718825

Answer:

protons

Explanation:

in middle school I learned an acronym

A = Atomic Number

P = Protons

E = Electrons

we learned that these are all the same value however in chemistry we learn that isotopes have different amounts of electrons so the answer would be protons

ayomibabz

Answer:

proton

Explanation:

the number of protons determines the atomic number and the identity of an element.  It also determines the number of electrons that surround the nucleus.

the nucleus determines the chemical characteristics and behaviour of the element.

the neutron ensures the stability of the nucleus in the atom