0
Actinium, with the chemical symbol Ac, is the chemical element with the atomic number 89.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is the lowest atomic number actinide?
actinium
What atomic number is Francium?
Francium has the atomic number of 87 and its symbol is "Fr". Before receiving it's current placement on the atomic table, it had previously been referenced as Actinium K and EKA Caesium.
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 element family does Actiniumbelong to?
Actinium belongs to actinides. It has atomic no. 89
Why is francium the most explosive element on the periodic table?
Francium, with atomic number 87, does not have the highest atomic number. When it was discovered, in 1939, scientists already knew of five elements with higher atomic numbers: radium (88), actinium (89), thorium (90), protactinium (91) and uranium (92). By the end of 2015, the highest atomic number was 118 - for ununoctium.
What is the atomic number for actinium?
The atomic number for actinium is 89.
What is atomic number of Actinium?
89 is the atomic number of Actinium.
What is actinium's atomic number?
Actinium's atomic number is 89.
What is the lowest atomic number actinide?
actinium
What is actinium in the periodic table?
Actinium is a member of the actinoids family with the atomic number 89.
What is the atomic symbol for actinium?
Actinium = Ac
What is unique about actinium?
Actinium is a metal, soft, radioactive, unstable, very rare, expensive, has only some applications, atomic number 89, actinoids family. But only the atomic number is unique !
Lowest atomic number actinide?
Hydrogen is a none metal element. atomic number of it is 1.
What is actinium classified under?
Actinuim is a member of the family of actinides. Actinium is a solid metal, radioactive with the atomic number 89.
What is the first of the actinides?
Actinium Symbol: Ac Atomic Number: 89
What is the first element of the actinides?
The first element in the actinide series is actinium , a chemical element in the periodic table that has the symbol Ac and atomic number 89.The actinide (or actinoid) series encompasses the 15 chemical elements that lie between actinium and lawrencium on the periodic table , with atomic numbers 89-103.The actinides get their name from the first element in the series , actinium.
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.
