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The History and Arrangement of the Periodic Table
The History and Arrangement of the Periodic Table
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A quiz on Newlands, Mendeleev and the arrangement of the Periodic Table for GCSE students
Flashcards
11 cards
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Practice quiz
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Questions
11
Answers
1
By the 1850s around how many elements had been discovered?
None
Over 100
Around 60
Four- earth, air, fire and water
2
This element would be in...
Group 11
Group 1
Group 3
Group 7
3
Mendeleev used his table to successfully predict the properties of..
Existing elements
Compounds of the elements
Undiscovered elements
4
Why wasn't Newland's table accepted by other scientists?
They didn't think elements should be grouped by properties
He didn't have any evidence
Some elements' properties didn't really match the columns he placed them in
He just left some elements out
5
All the elements in the group in blue have..
None of these
9 electrons in their outer shell
7 electrons in their outer shell
7 electrons
6
Why did Mendeleev leave some gaps?
He thought that no elements existed to fit those places
He thought the atomic weights were wrong
Just in case he needed space for other elements later
He realised some elements didn't match the properties of their group
7
Newlands and Mendeleev tried placing the elements in order of...
Date of discovery
Atomic weight
Number of protons
8
Today we know that elements in the same group have the same number of...
Electron shells
Electrons in their outer shell
Protons
9
After putting elements in atomic weight order, Mendeleev switched a few around.
False
True
Not sure
10
Scientists started to notice that many elements had similar...
Electronic shells
Properties
Smells
Uses
11
Newlands noticed that (when arranged by atomic weight) many elements had very similar properties to...
both elements it was next to in the list
the next element along
an element two places further down the list
an element seven places further down the list
