Question

Which is the element with atomic no. 2? Write about it.

✓ Write well.

✓ Best answer- gets brainliest

Answer 1

The element is helium
it is a noble gas
it doesn't react

Answer 2

Helium is a chemical element of atomic number 2, symbol He and standard atomic weight of 4.0026. It belongs to group 18 of the periodic table of the elements, since having the complete energy level presents the properties of a noble gas. In other words, it is inert (not reacting) and like these, it is a colorless, odorless monatomic gas that has the lowest boiling point of all chemical elements and can only be liquefied under very large pressures and can not be frozen.