An α particle is the nucleus of 4He to how many protons, neutrons and electrons exist in an alpha particle b) what is the charge of an α particle in units of electric charge(C. coulombs). c) What is the force that keeps the protons and neutrons in an α particle?

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!