Answer: Helium has two protons, while hydrogen only has one.
Here’s a brief rundown on why the rest wouldn’t be right:
- Hydrogen has one neutron
Hydrogen actually has no neutron, a hydrogen atom contains one proton, one electron, and no neutrons.
- Helium has one neutron
Most helium atoms have two neutrons in it.
-Hydrogen has 2 protons, while Helium only has one
As stated, Hydrogen has one proton. Helium actually has 2 protons, electrons, and neutrons.
Hope this helps!
The difference is primary happens naturally and the secondary responds to an disturbance.
Angiosperms are flowering plants, so I'd say flowers and the parts of flowers are a pretty common characteristic.