An object under a microscope has a diameter of 125 micrometers. what is the diameter in centimeters

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical