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The element with atomic number 89 is actinium, not atomic mass. The atomic mass of actinium is approximately 227 g/mol.
The atomic number for actinium is 89.
Actinium's atomic number is 89.
89 is the atomic number of Actinium.
There are 138 neutrons in actinium 89. Thank you for using WikiAnswers:)
The chemical symbol of actinium is Ac.The symbol of an isotope:- as superscript to the left of Ac is the atomic mass of the isotope- as subscript to the left of Ac is the atomic number 89
It would be actinium with 89 protons and a mass of 230.
Actinium, with the chemical symbol Ac, is the chemical element with the atomic number 89.
Actinium = Ac
Actinium (Ac) has an atomic weight of 227.0278 g/mol
The lowest atomic number actinide is actinium, with the atomic number 89.
The number of neutrons is the difference between the atomic mass of an isotope and the atomic number. Actinium has a great number of isotopes, each with a different mass or number of neutrons.