Some elements in the periodic table were incorrect because of their ________.
Atomic weight
200
What is Mendeleev's origin?
Tobolsk, Siberia, Russia
200
What did he study?
natural science
200
What were one of his theories about?
absolute boiling point (or later known as critical temperature)
200
The original periodic table had 64 elements.
False. 63 elements
200
________ mass is 128 yet its after Iodine with a mass of 126, therefore Dmitri's arrangement was wrong.
Tellurium's
300
What is Dmitri's date of death?
February 2, 1907
300
What book was he famous for writing?
The Principles of Chemistry
300
He got his degree in what?
Chemistry
300
Mendelevium is an element named after Dmitri.
True
300
The mass of _____ elements were altered to better represent them from nature.
10
400
What was his primary occupation?
Chemist
400
In what year did he start his own lab?
1860
400
What were the 3 new elements he made predictions for?
eka-aluminum, eka-boron, eka silicon
400
One of his developments in behaviors of high and low pressures was the barometer.
true.
400
DAILY DOUBLE!!!!
Mendeleev's prediction was that Lanthanum would go in one of the spots for unknown elements (during his time) however, it was borne out in 1923 with the discovery of _______.