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9th Week 3 Vocab

Week 3 Tier 2 Vocabulary Words

TermDefinition
substrate the substance that is acted upon by an enzyme or ferment.
onset the beginning or early stages.
maturation the act of coming to full development.
mass the property of a body that causes it to have weight.
interval the distance between things.
abundant present in great quantity.
characteristic typical or distinctive.
combustion a reaction of a substance with oxygen to give heat and light.
alliteration use of the same consonant at the beginning of each word.
deposition the act of putting something somewhere.
reactivity the tendency of two or more chemicals to react
valence electron an electron that resides in the outermost shell, or principal quantum level, of an atom
period one of the horizontal rows in the periodic table. All elements in a row have the same number of electron shells.
family a group of elements with similar chemical properties. Chemical families tend to be associated with the vertical columns on the periodic table
compound a pure substance that is formed when two or more different elements combine; can usually be separated into component elements by chemical reaction
molecule two or more atoms joined together
covalent bond a type of chemical bond in which electrons are shared by atoms
ionic bond a chemical bond in which one atom gives up electrons (cation) to another atom that gains the electrons (anion); results from a difference in electronegativity greater than 1.7
Created by: Mason Science