How many electrons are in the second energy level of an atom of each element?

a. chlorine
b. phosphorus
c. potassium

A. 8 electrons

B. 8 electrons

C. 8 electrons

Explanation:

A. Electron Configuration of Chlorine is 1s²2s²2p⁶3s²3p⁵

B. Electron Configuration of Phosphorus is 1s²2s²2p⁶3s²3p³

C. Electron Configuration of Potassium is

1s²2s²2p⁶3s²3p⁶4s¹

the role of the microscope world in creating new materials .

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.