Looking at the bhor models of atoms offer an explanation as to why the atomic size changes as it does for both periods and groups

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?