What is the chemical symbol for Sodium?, K, Ca, S, Na, The nucleus of an atom is made up of . . ., protons and neutrons, neutrons and electrons, protons and electrons, neutrons and nuclei, What is the Chemical symbol for lead, Pb, L, Le, What is the smallest, proton, electron, neutron, How many electrons has neon got, 20, 10, 15, How many neutrons has sodium got, 11, 23, 12, How many protons has boron got, 4, 5, 11, How many neutrons has argon got, 22, 18, 40, How many eletrons can you fit on the first shell, 8, 6, 2, Whats the electronic structure of oxygen, (2,6), (2,8), (2,4), What group is carbon in, 3, 4, 5, Fluorine, Chlorine, Iodine and Bromine belong to which group in the Periodic Table?, Alkali metals, Halogens, Noble gases, Transition metals.

Atomic structure

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