Chapter 6 Search For Order Flashcards
Dmitri Mendeleev was born in A) China; B) Russia; C) Spain; D) the United States
B) Russia
Sulfuric acid is an example of A) an element; or B) a compound
B) a compound
The first college that Dmitri Mendeleev attended was one A) to prepare farmers; B) to teach philosophy C) for chemists D) to train teachers
D) to train teachers
The first international chemical congress in Karlsruhe, Germany was considered A a failure or B a success
B a success
Mendeleev believed an organized table of elements would A) discourage his students B) help his students C) show chemistry to be a difficult subject D) make him a lot of money
B) help his students
Dmitri Mendeleev set about organizing the table of elements by A) asking students to vote on their most popular element B) collecting samples of each element C) entering information about the elements in a computer D) writing the information about the elements on a notecard
D) writing information about the elements on notecards
True or False. Dmitri Mendeleev organized his table of elements by atomic weight and valence
True
Sodium and lithium have chemical properties that are A) similar or B) opposite
A) similar
Dmitri Mendeleev left gaps in his table A) because he couldn’t remember their names B) because he wanted to name those elements after his friends C) for elements that had not been discovered; or D) for elements without atomic weight
C) for elements that had not yet been discovered
To silence critics of his table, Mendeleev A) appealed to the government to arrest them; B) asked his friends to argue his case C) left the country D) predicted the properties of the three missing elements
D) predict the properties of the three missing elements
True or False. Only one of Mendeleev’s missing elements has been found
False
True or False. Out of respect for Mendeleev, chemists refuse to make changes to his periodic chart
False
The elements lithium, sodium, potassium and those below it are members of the same A) family B) period
A) family
