What happens to the space between the particles that make up a gas as it changes into a liquid?

the space between the particles decreases.

the space between the particles increases.

the space between the particles stay the same.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Draw the lewis dot structure for each of the following polyatomic ions

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water