Which statement accurately describes the charge of the nucleus of an atom? a. the nucleus can be either positively charged or neutral. b. the nucleus never has an electrical charge. c. the nucleus always has a positive charge. d. the charge of a nucleus can change from positive to negative.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

What type of electromagnetic radiation has a shorter wavelength than blue light

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