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Element groups
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What is the difference between lanthanides and actinides?
Wht is the difference between Lanthanides and Actinides?
Do actinides and lanthanides lose electrons when combining?
Actinides and lanthanides lose electrons and form cations.
Why are lanthanides in period six and actinides in period 7?
Lanthanides have 6 electron shells. Actinides have 7 electron shells.
How many lanthanides and actinides are there?
There are 15 lanthanides (atomic numbers 57-71) and there are 15 actinides (atomic numbers 89-103)
Where do the lanthanides and actinides get their names?
They are the two rows placed at the bottom of the periodic table. The first row is called lanthanides and the second is called actinides. They are also known as f-block elements as the electrons are added in the f-orbitals.
What are the properties of lanthanides and actinides?
The lanthanides and actinides are part of the inner transition metals. Actinides are all radioactive, highly electropositive and tarnish readily in air. Lanthanides burn easily in air, have high melting and boiling points and are strong reducing agents.
The f-block elements in period 7 are known as the?
inner transition metals
What about the complex formation ability of lanthanides as campared to actinides?
describe the complex formation by lanthanides?
What is the group number for Lanthanides and Actinides?
Rare Earth elements or lanthanides are placed in the period 6 of the periodic table of Mendeleev. Actinoids are placed in the period 7 of the periodic table of Mendeleev.
How reactive are lanthanides and actinides metals?
lanthanides and actinides are fairly reactive, but not as much as say, the alkali metals in group 1
Where are landthanides and actinides actinides placed in the periodic table?
Lanthanides and Actinides are placed separately as the properties of these elements is quite different from the elements in periodic table.
What are the rows named in the periodic table?
Rows are known as periods. They exist as horizontal lines. The bottom two rows are lanthanides and actinides.
