1.Mention the difference in their two atoms 2.Explain why these two atoms have the same chemical properties
3.What phenomenon is exhibited by the two atoms
4.Give two others element that exhibited similar phenomenon.

What are the first three quantum numbers for the electrons located in subshell 2s?

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

The energy that powers a hurricane is derived from