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6th Chemistry Review

Fletcher's 6th Grade Chemistry Test Review

Equal The mass of the reactants is _______ to the mass of the products in a Chemical Equation
Element The simplest pure substance that contains atoms of just one type.
Plasma The highest energy phase of matter
Precipitate An insoluble solid that emerges from a chemical reaction of two or more liquids
Molecule Two or more atoms that are chemically combined
Metals Elements to the left of the zig zag line on the periodic table
Molecule The smallest type of matter that can be called a compound
Reactants The substances on the left side of a chemical Reaction
Metalloids Elements that have properties of both metals & Non-Metals
Hydrogen There are two atoms of ____ in a molecule of water
Recombined Atoms are never created or destroyed in chemical reactions just _____
Period Elements with atoms that have the same # of energy rings
Subscript a # that cannot be changed when balancing chemical equations
Ductile The ability of a metal to be drawn into thin wires
Coefficient A # that can be changed when balancing chemical equations
Mixture 2 or more substances mixed but not chemically combined
Energy Something given off by all chemical reactions
Family Elements found in a column on the Periodic Table
Yields The arrow in a chemical equation
Malleable Metals can be hammered into thin sheets because they are _____
Chemical Reaction What is an unexpected color change an indication of?
Neutral What type of charge does a Neutron have
Compound 2 or more different elements chemically bonded
Endothermic Reaction a reaction in which heat energy is drawn in
Periodic Something with a regular repeating pattern is also called ______
Positive The nucleus has this type of charge
Nucleus The part of an atom that gives it its mass
Valence The # of electrons on the outer energy level of an atom
Proton What is the positive sub atomic part on an atom?
Created by: coach_fletcher