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History of the Periodic Table Flashcards | StudBud
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History of the Periodic Table
History of the Periodic Table
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#ks4 #chemistry #mendeleev #periodictable #lovescience
Flashcards
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Questions
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Answers
1
Who organised the periodic table
in columns
like ours is today?
John Newlands
Dmitri Mendeleev
Johann Dobereiner
2
Why did
Mendeleev
leave gaps in the periodic table?
Because he thought there were elements that fit the pattern
Because he thought there needed to be gaps
Because he thought it gave more space
Because all of the elements had not been discovered
3
How did Newland's
Law of Octaves
organise the periodic table?
He arranged the elements by colour
He arranged the elements by size
He arranged the elements by mass
He arranged the elements by type
4
How many elements are there in the periodic table?
198
138
98
118
5
Which was the
first discovered & named
chemical element?
Gold
Iron
Copper
Silver
6
How many of the elements are
metals?
61
31
91
111
7
What
pattern
did
Newland's Law of Octaves
show?
Every 2nd element was similar
Every 10th element was similar
Every 6th element was similar
Every 8th element was similar
8
What does the
period
number in the periodic table tell us?
Number of electrons in total
Number of outer shells
Number of protons
Number of electrons in the outer shell
9
What did Mendeleev's
groups
show?
Elements that were like each other
Elements that had changed
Elements that were getting smaller
Elements that were very different
10
What do the
group numbers
in the periodic table tell us?
Number of shells
Number of electrons in the outer shell
Number of protons
Number of electrons in total
11
Which of the famous
periodic table scientists
came up with his Law of Octaves?
John Newlands
Johann Dobereiner
Dmitri Mendeleev
12
Who arranged elements into groups of 3? (His
triads
)
John Newlands
Dmitri Mendeleev
Johann Dobereiner
