Term | Definition |
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? |