Helium is a noble gas positioned second in the periodic table. Being in this category means it is mostly inactive. It is named after “Helios,” which when translated in Greek means “sun god.” Being the&hellip

Helium is a noble gas positioned second in the periodic table. Being in this category means it is mostly inactive. It is named after “Helios,” which when translated in Greek means “sun god.” Being the&hellip
Helium symbolised as He, is lighter than air, colorless, odorless, tasteless, inert, mono-atomic, non poison gas, and not present in a very small amount in the Earth’s atmosphere. The melting and boiling points that are&hellip
How many neutrons are there in the helium atom? 2. There are 2 neutrons, or neutral subatomic particles, in a helium atom. With its two electrons and two protons, helium is the second simplest of&hellip