Answers (Verified Answers)
physical properties - {✔✔ANSWER✔✔}-Characteristics that can be observed
without changing the identity of the substance
, chemical properties - {✔✔ANSWER✔✔}-Characteristic that cannot be
observed without altering the substance
reactants - {✔✔ANSWER✔✔}-A starting material in a chemical reaction
product - {✔✔ANSWER✔✔}-A substance produced in a chemical reaction
characteristics of metals - {✔✔ANSWER✔✔}-malleable, ductile, shiny,
opaque, good conductor
characteristics of nonmetal - {✔✔ANSWER✔✔}-poor conductor, brittle
hypothesis - {✔✔ANSWER✔✔}-testable assumption
theory - {✔✔ANSWER✔✔}-well-tested explanation that unifies a broad
range of observations
applied research - {✔✔ANSWER✔✔}-attempts to develop new or improved
products
H - {✔✔ANSWER✔✔}-Hydrogen
Li - {✔✔ANSWER✔✔}-Lithium
Na - {✔✔ANSWER✔✔}-Sodium