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Science vocabulary

Exploring Creation w/ Chemistry - vocabulary (L - N)

TermDefinition
Le Chatelier's Principle When stress (such as change in concentration, pressure, or temperature) is applied to an equilibrium, the reaction will shift in a way that relieves the stress and restores the equilibrium
Lead-acid battery A battery that runs on the oxidation of lead and the reduction of lead oxide in the presence of sulfuric acid
Lewis structure A schematic representation of the valence of electrons in an atom or molecule
Limiting reactant The reactant that runs out first in a chemical reaction. It determines the amount of products made.
Liter A metric unit of volume
Mass A measure of the amount of matter in an object
Mass number The total number of neutrons and protons in an atom
Matter Anything that has mass and takes up space
Melting The process by which a substance changes from its solid phase to its liquid phase
Melting point The temperature a which a substance changes from its solid phase to its liquid phase
Meniscus The curved surface of a liquid, typically in a glass container
Metal An element that tends to give up its electrons
Meter The metric unit of length
Mixture A substance that contains different compounds and/or elements
Model A constructed image of something we cannot see with our eyes
Molality (m) The number of moles in a solute per kilogram of solvent
Molar mass The mass of one mole of a given compound
Molarity (M) A concentration unit that tells how many moles of a substance are in a liter of solution (It is determined by taking the number of moles in a substance and dividing by the number of liter of solution)
Mole A group of atoms or molecules that number 6.02×〖10〗^23
Mole fraction The number of moles of a given component in a mixture divided by the total number of moles in the mixture
Molecular formula A chemical formula that provides the number of each type of atom in a molecule
Molecular mass The mass of a single molecule
Molecule More than one atom bound together to form a compound
Neutralization reaction A reaction between an acid and base that neutralizes both, typically forming salt and water
Neutron One of the three particles that make up and atom (it is electrically neutral)
Newton The metric unit of force
Nonmetal An element that tends to take electrons from other elements
Nucleus The center of the atom that contains the neutrons and protons
Created by: Autumn Fairall