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What is the atomic mass of actinium?

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Anonymous

14y ago
Updated: 8/18/2019

it is 277

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14y ago

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Related Questions

What element has 89 atomic mass?

The element with atomic number 89 is actinium, not atomic mass. The atomic mass of actinium is approximately 227 g/mol.


What is the atomic number for actinium?

The atomic number for actinium is 89.


What is actinium's atomic number?

Actinium's atomic number is 89.


What is atomic number of Actinium?

89 is the atomic number of Actinium.


How many neutrons are in Actinium-89?

There are 138 neutrons in actinium 89. Thank you for using WikiAnswers:)


What is the isotope symbol for actinium?

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


Protactinium with 91 protons and a mass of 234 undergoes alpha decay and becomes what with an atomic number of what and an atomic mass of what?

It would be actinium with 89 protons and a mass of 230.


What is the atomic number of actinium?

Actinium, with the chemical symbol Ac, is the chemical element with the atomic number 89.


What is the atomic symbol for actinium?

Actinium = Ac


What is the atomic weight of actinium?

Actinium (Ac) has an atomic weight of 227.0278 g/mol


What is the lowest atomic number actinide?

The lowest atomic number actinide is actinium, with the atomic number 89.


How many neutrons in actinium?

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.