What do you do if your beaker breaks during a expriement

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

What are the 4 phases of matter in order of increasing engery content?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.