Make a simple sketch of an atom and label its three main ...

[Marty]

Make a simple sketch of an atom and label its three main particles. Explain how these particles differ from one another.
 
  What will be an ideal response?

Question 2

Which greenhouse gas is most abundant naturally?
 
  A) nitrous oxide
  B) methane
  C) water vapor
  D) carbon dioxide
  E) trace gases

[abro1885]

Answer to Question 1

Lithium, for example.

Atoms are made of protons, neutrons, and electrons. Both protons and neutrons have atomic mass and reside in the nucleus of atoms. Protons are positively charged, and neutrons have no charge. Electrons reside outside the nucleus, orbiting in shells. Electrons have negligible mass and a negative charge.

Answer to Question 2

C