Which sub-atomic particle is positively charged and found in the nucleus?
a. proton
b. neutron
c. electron
d. beta particle

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.

How many grams are in 68.2 molecules of br2?