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C2.1 Development of the periodic table Flashcards | StudBud

Explore/C2.1 Development of the periodic table

How did Mendeleev arrange the elements in the periodic table?

What does the group number in the periodic table tell us?

C2.1 Development of the periodic table

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1
What does the group number in the periodic table tell us?
How many electrons in the outer shell
How many neutrons an element has
The elements mass
How many protons an element has
2
How did Mendeleev arrange the elements in the periodic table?
In order of neutrons
In order or relative atomic mass
In order of protons
In order of electrons
3
What did John Newland put forward
Law of octaves
Law of mass
Law of eights
Law of elements
4
What did Mendeleev have in his periodic table?
Gaps
All elements
5
Why did mendeleev leave gaps in his periodic table?
For elements that had not yet been discovered yet
He did not know how to fill the gaps
To seperate elements with different properties
6
Why was Mendeleevs periodic table more successful than John Newlands?
Elements with similar properties were in groups
Elements with similar properties were in rows
He left gaps
7
How did John Newland arrange the elements in the periodic table?
In order of neutrons
In order of electrons
In order of relative atomic mass
In order of groups