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The lantanides (6f-block elements) start, after 57Lantanium, with atom number 58, Ce, to end with 71Lu

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What is the lowest atomic number actinide?

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


Lowest atomic number actinide?

Hydrogen is a none metal element. atomic number of it is 1.


Which element in the actinide series has the greatest atomic number?

Lawrencium (Lr) with the atomic number 103.


What has the smallest atomic number?

Hydrogen is a gas element. It had the smallest atomic number.


Is plutonium an actinide nuclear fuel?

Yes, it is. Specific isotopes of plutonium can be used for nuclear fuel. An actinide is an element of the periodic table with an atomic number of 89 (actinium) or higher. Plutonium is atomic number 94. A link is provided.


What is the group name and number of Californium?

Group: Group 3 element (actinide) Atomic Number: 98


What is the atomic number of nobelium?

Nobelium, with the chemical symbol No, is the chemical element with the atomic number 102.


What is the name of any element of the actinide series which have atomic numbers from 89 actinium Ac through 103 lawerencium Lr?

One element in the actinide series is thorium (Th), which has an atomic number of 90.


What element has atomic number 93?

The element with atomic number 93 is neptunium. It is a radioactive actinide metal that is commonly found in trace amounts in uranium ores.


Where is uranium located on the periodic table?

Uranium is located in the actinide series on the periodic table, in the seventh row and the actinide block. Its atomic number is 92.


Is thorium a nonmetal metal or metalloid?

Thorium is a metal. It is a radioactive actinide element with the atomic number 90 and symbol Th.


Name the noble gas withe the smallest atomic number?

The noble gas with the smallest atomic number is helium, with an atomic number of 2.