1 point
When potassium and bromine atoms form chemical bonds, which of these is produce
a compound
a new form of matter
an element
a mixture

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal