List 4 indicators that a chemical change has probably occurred

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

What is the maximum number of electrons that an atomic orbital can contain?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system