Calculate the number of grams of platinum in 0.00808 moles Pt.

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Will mark brainliest how many electrons can be held in the energy level n = 4?