17. The choose the answer that is correct about the Earth's mantle. made of magnesium, iron, and calcium

made of rocky materials and water

made of the same rocky materials as the crust

made mostly of iron and nickel

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