A(n) particle consists of two protons and neutrons. a. alpha c. gamma b. beta d. phi

a) alpha

Explanation:

An alpha particle is rejected during alpha decay of radioactive nuclei. It is made up of two neutrons and two protons which is why it is very often called the helium nucleus, which also has the exact composition.

they begin to vibrate harder causing the material that was solid to turn into a liquid i.e gallium or ice

answer; ///i do believe that the correct answer is (b); ///particle composed of two or more atoms bonded together;