Apendulum has 806 j of potential energy at the highest point of its swing. how much kinetic energy will it have at the bottom of its swing?

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?

Which terms are used to identify pure substances

How many grams of mgbr2 are needed to produce 75g or metal?