20 points choose all the answers that apply. which of the following is an example of an ion? na+ cl- ar f+

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?