Which of the following is not true about covalent compounds?
a.
they are made of molecules and can be gases, liquids, or solids.
b.
they have low melting and boiling points.
c.
they are good electrical conductors in all phases.
d.
many are soluble in nonpolar liquids but not in water.

Why do oxygen have a strong attractive force for electrons

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus. b) the number of neutrons it contains in its nucleus. c) the number of protons it has in a cloud around the nucleus. d) the number of neutrons it has in a cloud around the nucleus. e) the number of electrons it exchanges with its neighbors.