What do nonmetals usually do in a chemical reaction?
a. they usually lose electrons.
b. they usually form negative ions.
c. they usually react with metalloids.
d. they usually bind to other nonmetals.?

Use a magnet to separate iron, evaporate water, i'm not sure how to separate the other two i'm sorry but good luck

Zinc contains about 30 protons 

Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source:

Change of state has wrong energy change - option 2

brian made this table to organize his notes on changes of state. depostion is a change of state that has the wrong energy change listed. it is utilized to collect data as a portion of the development means and in restricted conditions which may be applied at test.

a deposition in the authority of the united states or research for development in the authority of canada includes the catching of affirmed. the out-of-court verbal assertion of a spectator that may be lessened to a printed record for succeeding application for discovery purposes.