Adopt An Element
Helium has 2 proton, 2 neutrons and 2 electrons. It' melting point is (−272.20 °C, −457.96 °F) and its boiling point is (−268.928 °C, −452.070 °F)
Some examples of helium.
Fun Facts about helium
- Helium is the second lightest element in the world.
- It was first detected as an unknown yellow line in sunlight during a solar eclipse.
- It makes makes your voice squeaky.
- Named for the Greek God of the sun.
- We use it as a small gas to lift up balloons, and bouncy castles.