helium is in row 1 (or better period 1)
Helium has 2 valence electrons.
Hydrogen has atomic number 1 whereas helium's is 2.
The row number describes the period. It signifies the number of shells.
gaseous state
Helium doesnot have a gender. It is a chemical element
Helium has 2 valence electrons.
Hydrogen has atomic number 1 whereas helium's is 2.
Helium does not form any known stable compounds, and thus it is nearly always in the 0 oxidation state.
liquid, and gas.
gaseous state.
Helium is an odorless gas.
Helium's chemical symbol is He.
-268.93 °C
helium is a colourless odourless gas
It is often referred to as the row header or row heading or row number.
helium doesn't have a specific gravity
Helium is a gas at room temperature.