How many orbitals do the s , p and d subshells have respectively ? Help ASAP I’ll make you as brainlister

What is the total reduction potential of a cell in which potassium (k) is reduced and copper (cu) is oxidized? a. 2.59 v b. 3.27 v c. -3.27 v d.-2.59 v

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead