How many shells does the element neon have? a. 1 b. 2 c. 8 d. 18

What is the role of the ocular lens?

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in