Inq. 5, Act. 3 - The Periodic Table of Elements Reading
Quiz by Renee Nowaske
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7 questions
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- Q1When did the first scientific discovery of an element occur?164918501980350 BC30s
- Q2By 1869, scientist had discovered a total of how many elements?631012001030s
- Q3Who is Dmitri Mendeleev according to the reading?a teacher at Harvard Universitya student of physicsa professor of chemistry at St. Petersburg University in Russiaa weatherman from India30s
- Q4Mendeleev created a card for each of the known elements. Which of the following items were NOT on the cardchemical and physical propertieselement's symbolatomic masswhere the element was found30s
- Q5Was was Mendeleev's classification scheme successful?because it increased by atomic massbecause he recognized that several elements had not yet been discovered yet and he left spaces for them in his tablebecause it helped determine the properties of each elementbecause it made sense and others agreed with him30s
- Q6What did Mendeleev notice when he arranged his cards by increasing atomic mass?he didn't notice any patternshe noticed that the atomic mass increased by 2he noticed that the color of the elements changed in a patternhe noticed that certain properties were periodic - they repeated in regular intervals30s
- Q7The periodic table has undergone several revisions since Mendeleev's time.TrueFalse30s