Chemistry Periodic Table Quiz with 100% correct answers

Chemistry Periodic Table QuizWhat's the purpose of the periodic table? to organize the elements What two properties are the modern periodic table based upon? electron configuration and atomic number 00:12 01:22 What two men are credited with the development of the first periodic tables in 1869? Mendeleev and Meyer What was Mendeleev's table based upon? chemical and physical properties Why is the table called the periodic table? properties occur periodically What does Medeleev's periodic law state? the chemical and physical properties of elements vary in a periodic way with their atomic weights What does the modern periodic law state? properties vary with atomic number Mendeleev's table was arranged in rows, called _________, and columns called _______. periods, groups Elements of each group _____________________ have similar properties Why didn't some elements match perfectly on Mendeleev's table? it was based on weight What are periods? rows from left to right Elements in the same period have the same ___________________ energy levels or atomic orbitals 00:02 01:22 What are groups? columns that run from top to bottom What do the elements of a group have in common? they have the same number of electrons in their outer shell What is the Alkali Metal group number? 1 Are the Alkali Metals reactive? yes, very How many electrons do Alkali Metals have in their outer shell? 1 Are the Alkali Metals soft or hard? soft What is the group number of the Alkaline Earth Metals? 2 Are the Alkaline Earth Metals reactive? yes, very How many electron do Alkaline Earth Metals have in their outer shell? +2 What is the oxidation number or group number of the Alkaline Earth Metals? +2 What are the group numbers of the Transition Metals? 3 through 12 What are valence electrons? electrons used to combine with other elements What properties do Metalloids have? properties of both metals and non-metals What's a semiconductor? an element that can carry an electrical charge under special conditions What is the halogen group number? 17 How many electrons are there in the outer shell of Halogens? 7 What is the group number of the Noble Gases? 18 Why were the noble gases considered to be inert or stable? their oxidation number of 0 prevents the noble gases from forming compounds readily Choose a title that best describes your document Chemistry Periodic Table Quiz with 100% correct answers Need inspiration? Describe your document Providing an in-depth, complete and well-written description of your document means the world to your ad. A good description significantly increases the chances of your document being found on Stuvia. Furthermore, it helps your content get found via Google (remember: more than 70% of Stuvia's visitor access the website via Google!).