How many valence electrons should you use to draw a lewis structure of ammonia (nh3)? a) 15 b) 8 c) 5 d) 3

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

What volume would 2.25 moles of ne has occupy at stp?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.