how many atoms make up a human – Crystallography Zone

Question: how many atoms make up a human
- Keywords:
  atom,
  human body,
  physics
Asked by anon-185036 to Callum on 8 Nov 2018.
- Callum McHugh answered on 8 Nov 2018:
  
  Great question….I didn’t know the answer and had to google it.
  
  Turns out for a human of 70kg there are about 7*10^27 atoms….
  
  Thats 7000000000000000000000000000 atoms….a lot!

Question: how many atoms make up a human