Inorganic Chemistry Exam 1 With 100% Correct Answers

Inorganic Chemistry Exam 1 With 100% Correct Answers What is chemistry? - answerThe study of EVERYTHING What is inorganic chemistry? - answerchemistry of elements How many known elements are there? - answer118 How many stable elements are there? - answer80 What percent of primordial hydrogen does the current universe contain? - answer88.6% What does primordial mean? - answerexisting at the beginning of time What percent of helium in the current universe is primordial? - answer11.3% Which elements are more abundant? even or odd? - answerEven (except Be) What did Louis de Brogelie find in his quantum model? - answerelectrons can be pictures as particles or waves What are the solutions to wave equations? - answerquantum numbers, each solution desribes a different orbital What does the l quantum number represent? - answerAngular momentum number, it designates the shape of the orbital