Physical chemistry - the department of chemistry working with the Actual physical Attributes of chemical substances Clever Vocabulary: associated words and phrases Preceding and introducing announce antecedent antedate build (an individual/a little something) up countdown curtain-raiser emcee forerunner introduce introduction introductory direct approximately anything guide-in preambl... https://xn--939au0g6rj1ue34n9rrf5c.online/about/