0
What else can I help you with?
Is xenon in the first period of the periodic table?
No. Xenon is not the first period of the periodic table. It is placed in the 5th period of periodic table.
What period is helium in in the periodic table?
Helium is in the first period of the periodic table.
What are the first three periods of the periodic table called?
The first three periods of the periodic table are called the first period, second period, and third period.
What period of the periodic table is lithium in?
Lithium is in the first period of the periodic table. It is the first element in the alkali metal group.
Who invented the first usable periodic table?
Dmitri Mendeleev
Is xenon in the first period of the periodic table?
No. Xenon is not the first period of the periodic table. It is placed in the 5th period of periodic table.
What is hydrogens period?
Hydrogen is located on the first period; the first row in the periodic table.
What period is helium in in the periodic table?
Helium is in the first period of the periodic table.
What are the first three periods of the periodic table called?
The first three periods of the periodic table are called the first period, second period, and third period.
What kind of shell does the first period in the periodic table have?
The first period of the periodic table's elements all have 1 energy level.
What is the name of the first period on the periodic table?
Period 1
What period of the periodic table is lithium in?
Lithium is in the first period of the periodic table. It is the first element in the alkali metal group.
What is the first element in the first period in the periodic table?
hydrogen
What period is the name He element in?
Helium is in the first period of the periodic table.
What is the contribution of Dmitri mendeleev?
he invented the first periodic table..
Who invented the first usable periodic table?
Dmitri Mendeleev
Who invented the turn-table?
The turn-table, also known as the phonograph, was invented by Thomas A. Edison. He invented it in 1877 as the first device able to reproduce recorded sound.
