Documents Elements Hydrogen Number of: Protons 1 Neutrons 0 Electrons 1 Boiling point -252 Freezing point -259...

Slide 1 Elements Hydrogen Number of: Protons 1 Neutrons 0 Electrons 1 Boiling point -252 Freezing point -259 State at room temperature gas Slide 2 Elements Helium Number…

Documents Elements Hydrogen Brief description: hydrogen is the lightest element. It is by far the most...

Slide 1 Elements Hydrogen Brief description: hydrogen is the lightest element. It is by far the most abundant element in the universe and makes up about about 90% of the…