Compound, a substance made up of two or more chemically combined elements., Element, A substance that cannot be broken down into any other substance by ordinary chemical means, Valence Electron, The electrons located on the outermost energy shell of an atom, Proton & Neutron, subatomic particles located in the atoms nucleus, Neutron, Neutral, potassium, K, Which element on the Periodic table will have properties most like sodium (NA)?, NaCl and Kl, Which of these bonds contain ionic bonds?, Neon, reddish-orange/10 protons/atomic mass of 20.179amu, Metalloids, the elements touching the stair step line are called, Chemical Bond, the force that holds two atoms together., covalent bond, a type of chemical bond in which electrons are shared between elements., non metals, these elements re dull, brittle and poor conductors of heat and electricity. located mainly on the right side of the table, Physical Properties, solids, good conductor of electricity, malleable, and ductile.

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