Actinium (Ac) has an atomic weight of 227.0278 g/mol
89 is the atomic number of Actinium.
Actinium's atomic number is 89.
The atomic number for actinium is 89.
Actinium, with the chemical symbol Ac, is the chemical element with the atomic number 89.
Actinium = Ac
The lowest atomic number actinide is actinium, with the atomic number 89.
it is 277
Actinium is a member of the actinoids family with the atomic number 89.
Actinium (Ac) Atomic Number: 89 Atomic Weight: 227 Protons: 89 Electrons: 89 Neutrons: 138 -----(227-89=138)
The element that has the closest mass to 89 is Yttrium(88.91).
There are 138 neutrons in actinium 89. Thank you for using WikiAnswers:)
Actinium (Ac) Atomic Number: 89 Atomic Weight: 227 Protons: 89 Electrons: 89 Neutrons: 138 -----(227-89=138)