Why did Mendeleev's table gain traction?

He left holes for future new elements

What happened in 1940's in Cali?

Seaborg began making new elements

How did Seaborg change the shape of the table?

Made it wider for transition metals

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History of the Periodic Table

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Questions from AACT videos #periodictablehistory

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Questions 18

Answers

1
What two elements are Mrs. Richardson's favorites?
Helium
Tungsten
Uranium
Boron
2
In what order did most elements fall in the table?
In order of discovery
By color
Alphabetically
Increasing atomic weight
3
What did an element's place on the table actually correspond with?
Beauty of element
Date of discovery
Atomic # (# of p+)
Country of origin
4
When did he publish his table?
1968
1869
1969
1689
5
Why did Mendeleev's table gain traction?
Deadly threats
Eliminated the competition
Better tires
He left holes for future new elements
6
What atomic # is Mendelevium?
101
43
92
100
7
What did De Chancourtois apply his periodic table to?
Math
His grandma
Cooking
Geology
8
What did he do when he came across elements that didn't match up?
Pulled out his hair
Left blank spaces
Said a Russian curse word
Ignored it
9
Where was the 1860 conference?
France
Germany
Mexico
Spain
10
What happened in 1940's in Cali?
Dropped 1st atomic bomb
Seaborg began making new elements
A gold rush
Mendeleev visited USC
11
What column of elements was added after Mendeleev
Alkaline Earth Metals
Noble gases
Transition metals
Halogens
12
What is the most important tool in chemistry
your calculator
the periodic table
the test tube
an eraser
13
Why is it called a 'periodic' table?
It was sure to last through periods of history
He worked on it periodically
He went crazy in set periods
He noticed repeating patterns
14
Where did Mendeleev grow up?
Berlin, Germany
Siberia, Russia
Paris, France
Phoenix, AZ
15
Who started doing experiments with an electron beam in 1913?
Moseley
Mendeleev
Dalton
Einstein
16
How did Seaborg change the shape of the table?
Made it wider for transition metals
Eliminated elements that start with an H
Made it into a letter S for his name
Made it a circle
17
What number is Seaborgium?
106
100
1
43
18
What subjects did he not teach?
Chemistry
Math
Russian language
Physics

History of the Periodic Table Flashcards | StudBud