CHM 1045 - Exam #1 Questions With Answers Graded A+ Assured Success

accuracy - how close a measurement is to a true or accepted value acid - proton donor Acid Naming Rules - 1. Add O, add "per" prefix. 2. Subtract 1 O, ending in "ous". 3. Subtract 2 O's, add "hypo" prefix with "ous" suffix. acid-base titration - a solution of a known concentration (standard) is added gradually to another in order to determine the concentration actual yield - the amount of actual product formed in a reaction Ag⁺ - Silver cation Al³⁺ - Aluminum cation allotrope - different forms of the same element; ex: O₂ and O₃ Alpha rays - positively charged particles of radiation amphoteric - can act as an acid or a base aqueous solution - solvent is H₂O Atomic Mass Unit (amu) - 1/12 the mass of one Carbon-12 atomatomic number - the number of protons in an element Avogadro's Number - 6.022 x 10²³ Ba²⁺ - Barium cation base - proton acceptor Beta particles - negatively charged particles of radiation (glorified electrons) Br⁻ - Bromide anion Bromide - BrCarbide - C⁴- Cd²⁺ - Cadmium cation centi - 1.0 x 10^-2 chemical properties - must chemically alter substance in order to observe; ex: combustion, oxidation, reduction chemistry - the study of matter and the changes it undergoes Chloride - ClCl⁻ - Chloride anion ClO₃⁻ - Chlorate anion CN⁻ - Cyanide anion Co²⁺ - Cobalt (II) cation