Which pair of atoms forms ionic bonds?
O metal and metal
O metal and nonmetal
O nonmetal and nonmetal
O nonmetal and noble gas

Can anybody me with this? ? (picture included.)

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis