1. if the atomic number of an element is 6 and its mass number is 14, how many neutrons are contained in the nucleus?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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

Who discovered a pattern to the elements in 1869?