What type of chemical reaction occurs when the body breaks down fats and sugars that supply it with energy? A. electrical
B. Exothermic
C. Physical
D. Endothermic

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Describe the interaction that occurs between two objects with the same electrical charge.

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.