Help me please

change the following to the appropriate unit:

498.82 cg => mg

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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 metric units would you use to measure the thickness of a key