Which type of model best represents crystals?(1 point) ball-and-stick

ribbon

Lewis dot

space-fill

Which option describes the molecule geometry of a molecule with one bond and three lone pairs?(1 point)

angled

octahedral

tetrahedral

linear

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.

Identify two types of chemical bonding in the source of dietary potassium

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.