What is the smallest unit of matter?, An atom, What are the three main parts of an atom?, Protons, neutrons and electrons., What is the bond between two atoms called?, A chemical bond., What is an ionic bond?, A bond between two atoms that share electrons., What is a polar covalent bond?., A bend between two atoms that share electrons unequally., What is electronegativity?, The ability of an atom to attract electrons., What is the law of conservation of matter?, Matter cannot be created or destroyed, on ly transformed., Is the matter ever lost or gained in a chemical reaction?, No., What is the mole ratioP, The ratio of moles of one subtance to moles of another subtance in a chemical reaction., What is the estate of matter that has neither shape nor volume?, Gas., What happens to the voluene of a gas when the pressure increases?, It decreases., What is the pressure exerted by a gas in a closed container?, Equal in all directions., What is the definition of an acid?, A subtance that donates Mtions., What is the reaction between an acid and a base colled?, Neutralization., What is the product of an acid-base reaction?, Salt and water., What is a solution?, A mixture of tue or more subtances where one subtance (solute) is dissolved in another (solvent., What is the concentration of a solution?, The amount of solute per unit of solventa, What is the sulute in a solution? ..., The substance being dissolved., What is thermodynamics?, The study of energy and its interactions with matter., What is the unit of energy?, Joule (J), What is enthalpy (H ) ?, A measure of the disorder or randomness of a system, What is reaction rate?, The speed at which a chemical reaction oceurs., What affects reaction rate?, Concentration, temperature, catalysis, and surface area., What is the order of a reaction?, The power to wich the concentration of a reactant is raised in the rate equation., what is the equilibrium constant (K)P, A measure of the ratio of products to reactants at equilibrivm •exp, What is the equilibrium expression?, K= (C)c CO)d / (A)a (B) b, What is a high k value indicate of, Favorin products., What is the nueleus of an atom?, The central part containig protons and reutrons., What is radioactivity?, The emission of radiation from unstable nuclei., What is nuclear fusion?, The combination of light nucle i into a heaving nucleus.

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