If a car which is moving in a straight line streasily increases its speed from 50 kph to 60 kph in 10 minutes what is its accelertion? using given, asked, formula, solution, answer

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?

What is the subscript for oxygen in its molecular formula

Chemistry worksheet - i am not sure what they are asking for exactly?