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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
Atom
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The smallest component of an element that still contains element properties
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Small..... Contains element properties...
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Molecule
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Covalently bonded atoms. Smallest unit of a compound.
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Compound's smallest _____... Composed of ________ bonded _____...
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Element
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Chemically identical substance made of atoms, and have an alike number of protons
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Chemical, identical, composition of ____.
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Proton
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Particle in the nuclei of every atom, having a positive electrical charge.
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+ charge, in the ____ of every atom
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Electron
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A particle that has varying numbers, is negatively charged and surrounds an atom's nucleus.
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- charge, surrounds an atom's ____, varying ____...
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Neutron
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A particle that carries no electric charge and is subatomic
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No electric _____ (something that is done to your phone every night)
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Ion
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An atom or molecule that has a positive or negative charge do to losing or gaining one or more electrons
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- or + charge due to _____
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Isotope
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A form of an element having a different atomic mass but the same atomic number.
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Different atomic ____ same atomic #
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Ionic bond
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Chemical bond formed by the attraction of oppositely charged ions.
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Oppositely charged ions forming a ____ bond
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Covalent bond
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Two atoms sharing a pair of electrons creating a chemical bond.
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_(#)? Atoms sharing a pair of ____ creating a ____ bond
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Polar covalent bond
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A bond in which electrons are shared between elements having a difference in electronegativity of between 0.5 and ~2.0.
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Electrons shared between ___ having a difference in _____
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Law of conversation of matter
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Law that states matter can not be created or destroyed and does not hold true at the subatomic level
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Subatomic level
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Activation enery
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The energy that you need to start a chemical reaction.
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The ____ you need to start a ____ reaction.
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Hydrogen bond
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A weak attraction between hydrogen atoms and oxygen, nitrogen, or fluorine atoms. It holds together the strands of DNA in their double helix.
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Holds together strands if DNA
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pH scale
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A scale from 0 to 14 reflecting the concentration of hydrogen ions in solution
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A number less than 7 denotes acidic conditions, and I number greater than 7 denotes basic conditions
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Acid
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Having a pH less than 7, having more dissolved hydrogen ions than hydroxide ions.
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Less than 7... More ____ ions than ____ ions
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Base
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Having a pH greater than 7, having more dissolved hydroxide ions than hydrogen ions
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Alkaline
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