Flashcards in Unit 1- History of The Periodic Table Deck (6)
how did Mendeleev organize the periodic table? What made him so smart?
he didn't restrict himself to a repetition pattern of eight
he organized the elements in order of increasing atomic mass
he was a genius because he could predict where new elements would be found
what is the modern periodic law and how are the elements in the modern periodic table arranged?
they are arranged in order of increasing atomic number
there is a repetition of elements with similar properties
what was one problem with Mendeleev's way of organizing?
iodine and Tellurium were in the wrong order
what are the two organizing principles of the modern periodic table?
in order of increasing atomic number
elements with similar chemical and physical properties we're grouped
why is family a good term to use for the elements in the same column? Name the four most famous families?
they have similar chemical and physical properties
alkali metals alkaline Earth metals halogens noble gases