Question #17583
what number uniquely identifies an element
Expert's answer
Proton number.
It corresponds to element N in Periodic table.
E.g. Li has 3 protons. (№3)
& Н has 1 proton (№1)
& P has 15 protons (№15)
It corresponds to element N in Periodic table.
E.g. Li has 3 protons. (№3)
& Н has 1 proton (№1)
& P has 15 protons (№15)
