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Actinium (Ac)
Atomic Number: 89
Atomic Weight: 227
Protons: 89
Electrons: 89
Neutrons: 138 -----(227-89=138)
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What is the radioactive element in period 5?
The radioactive element in period 5 of the periodic table is Actinium (Ac). It is a radioactive metal with atomic number 89.
What is element 89 on the Periodic Table?
Actinium (Ac) Atomic Number: 89 Atomic Weight: 227 Protons: 89 Electrons: 89 Neutrons: 138 -----(227-89=138)
What is the eighty ninth element in the periodic table of the elements?
The eighty ninth element in the periodic table is Actinium, with the symbol Ac and atomic number 89. It is a radioactive element that is part of the actinide series.
What is the Periodic table panel for the element gold?
Gold has an atomic number of 79, symbol Au, and belongs to Group 11 and Period 6 of the periodic table. Its atomic weight is approximately 196.967 u.
How many rows or periods are in the periodic table?
Th horizontal rows are referred as periods. There are 7 periods in Periodic Table.
What are 89 to 102 elements in the periodic table called?
Actinides.
What is Ac in the periodic table?
Actinium (Ac) is a chemical element with the atomic number 89, located in the actinide series of the periodic table. It is a radioactive metal that is primarily used in research and some specialized industrial applications.
Lowest atomic number actinide?
Hydrogen is a none metal element. atomic number of it is 1.
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.
Where is the Actinide series located on the periodic table?
The second row of the bottom 2 rows under the periodic table. (Period 7, starting at Group 4)
What is actinium in the periodic table?
Actinium is a member of the actinoids family with the atomic number 89.
What family does Curium belong to on the periodic table?
Curium belongs to the actinide family on the periodic table. Actinides are located in the f-block of the periodic table and are known for their radioactive properties. Curium is a synthetic element and is named after the scientist Marie Curie.
