1) Life can be organized into 3 higher levels called _____. 2) The domain that contains organisms with simple cells. 3) The domain that contains organisms with non simple cells. It includes various protists and the kingdoms Fungi, Plantae, and Animalia. 4) The factor that is manipulated in an experiment. 5) The measure used to judge the outcome of the experiment. This is impacted by the independent variable. 6) The smallest unit of matter that still retains the properties of an element. 7) Come together to form an atom. Individually identified as neutrons, protons, and electrons. 8) Positive charge, and found in the nucleus of an atom. 9) No charge, and found in the nucleus of an atom. 10) Negative charge, and found orbiting the nucleus of an atom. 11) Identifies where an element lies on the periodic table. Can be used to identify the number of protons in an atom. 12) The sum of protons and neutrons in an atom. 13) _____ of an element have the same number of protons but different numbers of neutrons. 14) Transfer (stealing) of electrons between atoms. 15) Share of electrons between atoms. 16) Electrons are shared equally between atoms. 17) Electrons are pulled closer to the more electronegative atom.An atom or molecule with an electrical charge resulting from gain or loss of one or more electrons. 18) An atom or molecule with an electrical charge resulting from gain or loss of one or more electrons. 19) One of the most important types of weak bonds. 20) The tendency of molecules of the same kind to stick together. 21) The clinging of one substance to another. 22) A measure of how difficult it is to break the surface of a liquid. 23) Low in pH / more H+ than OH- 24) Medium pH / amount of H+ and OH- are the same 25) High in pH / more OH- than H+

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