Al^+3 protons =
electrons =
neutrons =
N^-3
protons =
electrons =
neutrons =

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.