Choose which is correct Question 1 options:

Molecules make atoms which make elements

Atoms make elements which make molecules

Molecules make elements which make atoms

Atoms make molecules which make elements

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.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5