If the first energy level can hold 2 electrons, the second holds 8, and the third can hold 8, what if the atomic number is bigger than 18? where do the other electrons go?

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3