How many grams of water (H2O) would you need to have the same number of molecules as 200 grams of ammonia (11.743 moles)?

Which metals are called noble metals

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next

To separate a mixture of hard candies nd marbles the most efficient method would be