Chemistry 3 Periodic Table

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  • Created by: Emma
  • Created on: 27-03-13 22:38
Who was John Dalton?
Arranged elements in order of their masses
1 of 9
Who made the law of octaves?
John Newlands
2 of 9
What is a disadvantage of the law of octaves?
He assumed all elements had been discovered
3 of 9
Up to what element did the law of octaves work?
Calcium
4 of 9
What did Dmitri Mendeleev do in 1869
Arranged the 50 known elements in order of atomic weights
5 of 9
How did Mendeleev's table come to be accepted?
His predictions of properties were correct
6 of 9
What was the problem with Mendeleev's table?
Not all elements fitted the pattern
7 of 9
How do we now arrange elements?
In order of their atomic number
8 of 9
What happens to shells as you go down the group?
The number of shells occupied by electrons increases
9 of 9

Other cards in this set

Card 2

Front

Who made the law of octaves?

Back

John Newlands

Card 3

Front

What is a disadvantage of the law of octaves?

Back

Preview of the front of card 3

Card 4

Front

Up to what element did the law of octaves work?

Back

Preview of the front of card 4

Card 5

Front

What did Dmitri Mendeleev do in 1869

Back

Preview of the front of card 5
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yoloswaggins

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too hard

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