The proton and neutron of x is 6 and 6 respectively and proton and neutron of y is 6 and 8 respectively. find the mass no. of x and y. what is the relationship between these two species?

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

What will most likely happen when two bromine atoms bond together?

Define the kinetic molecular theory