Ionic compounds form crystal structures. molecular structures. pure elements. neutral elements

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Which is not true about oxygen-17 and oxygen-18?

Which subatomic particle has a negative charge