How are the periods, or horizontal rows, on a periodic table ordered from left to right? (2 points) by similar state of matter. by increasing number of protons. by decreasing number of neutrons. by similar number of valence electrons.

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