What happens when an electron moves from a higher energy level to a lower one

Which type of compound is least likely to dissolve in water? a salt a highly polar compound a compound with only london forces a nonpolar compound a compound with hydrogen bonds

Which characteristics of solid, a liquid, and a gas are exhibited by each of the following substances? how would you classify each substance? A. a bowl of pudding will be solid and B. a bucketful of sand wiil be solid

Which could be sources of error in the lab? Check all that apply. measurement of volumes when making the serial dilutions.

Would you obtain the same results if you reacted Al + FeCl2 compared to Al+FeSO4 Would you obtain the same results if you reacted Cu + FeCl2 compared to Cu+FeSO4

5 chemical and 5 physical reaction that affect our daily lives

All atoms of the same element: A. have the same number of atoms B. have the same number of electrons C. have the same number of protons D. have the same number of neutrons

For Mn3+, write an equation that shows how the cation acts as an acid.

What is the relationship between the source region of an air mass and the properties of the air mass?

Explain why the 4s sublevel fills before the 3d sublevel begins to fill as electrons are added?

What will most likely happen when two bromine atoms bond together? A. The atoms will become less stable. B. An ionic bond will hold them together. C. A covalent bond will hold them together. D. A metallic bond will hold them together.