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48 Cards in this Set
- Front
- Back
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The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
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Chemistry
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A theory or explanation that is based on observations and that can be tested
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Hypothesis
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The capacity to do work.
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Energy
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The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
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Chemistry
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The energy of an object that is due to the objects motion.
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Kinetic Energy
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A theory or explanation that is based on observations and that can be tested
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Hypothesis
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The ratio of the mass of a substance due to the volume of the substance.
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Density
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The capacity to do work.
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Energy
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A prescribed decimal place that determines the amount or rounding off to be done based on the precision of the measurement.
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Significant Figures
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The energy of an object that is due to the objects motion.
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Kinetic Energy
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An atom, radical, or molecule that has gained or lost one or more electrons and has a negative and positive charge.
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Ion
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The ratio of the mass of a substance due to the volume of the substance.
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Density
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An atom that has the same number of protons as other atoms of the same elements do but has a different number of neutrons.
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Isotope
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A prescribed decimal place that determines the amount or rounding off to be done based on the precision of the measurement.
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Significant Figures
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A description of how close a measurement is to the true value of the quantity measured.
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Accuracy
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An atom, radical, or molecule that has gained or lost one or more electrons and has a negative and positive charge.
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Ion
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The exactness of a measurement.
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Precision
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An atom that has the same number of protons as other atoms of the same elements do but has a different number of neutrons.
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Isotope
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A description of how close a measurement is to the true value of the quantity measured.
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Accuracy
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The exactness of a measurement.
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Precision
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Subatomic particle in the nucleus with a positive charge.
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Proton
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A measure of the ability of an atom in a chemical compound to attract electrons.
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Electronegativity
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The mass, in grams, of 1 mol of a substance.
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Molar Mass
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A concept of chemical bonding theory that's based on the assumption that atoms tend to have either empty valence shells or full valence shells of eight electrons.
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Octet Rule
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6.02 x 10 to the 23rd, the number of atoms or molecules in 1 mol.
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Avogadro's Number
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A region in an atom where there is a high probability of finding electrons.
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Orbital
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A vertical column of elements in the periodic table.
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Group
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A horizontal row of elements in the periodic table.
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Period
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The law that states that energy cannot be created or destroyed in ordinary chemical and physical changes.
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Law of Conservation of Mass
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The law that states that energy cannot be created or destroyed but can be changed from one form to another.
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Law of Conservation of Energy
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A change of matter from one form to another without a change in chemical properties.
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Physical Change
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A change that occurs when one or more substances change into entirely new substances with different properties.
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Chemical Change
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A characteristic of a substance that does not involve a chemical change, such as density, color, or hardness.
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Physical Property
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A property of matter that describes a substances ability to participate in chemical reactions.
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Chemical Property
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A substance made up of atoms of two or more different elements joined by chemical bonds.
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Compund
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A substance that cannot be separated or broken down into simpler substances by chemical means.
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Element
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The smallest unit of an element that maintains the properties of that element.
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Atom
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The arrangement of electrons in an atom
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Electron Configuration
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Electrons in the outer energy level of an atom
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Valence Electron
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Two proportional relationships between two or more substances during a chemical reaction
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Stoichiometry
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A substance or molecule that participates in a chemical reaction
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Reactant
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A substance that forms in a chemical reaction
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Product
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A small whole number that appears as a factor in front of a formula ijn a chemical equation
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Coefficient
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The small number (on the bottom) that's used in a chemical reaction
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Subscript
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Solid (S)
Liquid (L) Gas (G) |
State Symbols
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The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes.
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Law of Conservation of Mass
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A chemical formula that shows the composition of a compund in terms of the relative numbers and kinds of atoms in the simplest ratio.
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Empirical Formula
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A chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of the atoms.
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Molecular Formula
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