Please help 1. How many electrons in a silicon atom have n = 3 as one of their quantum numbers?

2. How many electrons in a potassium atom have l = 0 as one of their quantum numbers?

3. How many electrons in a mercury atom have n = 4 as one of their quantum numbers?

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?