Answer:
B Kinetic
Explanation:
Kinetic energy is the energy of a object in motion
Transition metals
Most transition metals differ from the metals of Groups 1, 2, and 13 in that they are capable of forming more than one cation with different ionic charges. As an example, iron commonly forms two different ions
Absolute brightness and temperature
Answer:
Explanation:
number 12 is magnesium i think which is group lla which is B alkaline earths
The rate at which radioactive decay occurs & how much radioactive decay has occurred