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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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chemistry project
Flashcards
15 cards
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Questions
15
Answers
1
Alkali metals are the least reactive
True
False
2
What did Henry Mosley contribute to the periodic table?
Döbereiner’s Triads
Developed the first periodic table that was arranged by atomic mass
Used X-ray to find atomic number, corrected inconsistencies
Law of Octaves
3
What is the element in group 11 period 6
Silver
Bohrium
Gold
Hydrogen
4
The name of group 17 is noble gases
True
False
5
Noble gases are the least reactive
True
False
6
How many periods are in the periodic table?
9
18
7
8
7
Metals are found to the left of the metalloids
False
True
8
What is the name of the outlined group?
Alkali earth metals
Noble gases
Halogens
Alkali metals
9
What did John Newlands contribute to the periodic table?
Developed first periodic table that was arranged by atomic mass
Law of Octaves
Döbereiner’s Triads
Used X-ray to find atomic number, corrected inconsistencies
10
How many groups are in the periodic table?
18
7
11
8
11
Non metals are found to the right of the metalloids
True
False
12
What is the most well know metalloid?
Boron
Silicon
Arsenic
Germanium
13
The transition metals are not...
found to the left of the metalloids
ductile
found to the right of the metalloids
malleable
14
What did Dmitri Mendeleev contribute to the periodic table?
Used X-ray to find atomic number, corrected inconsistencies
Developed the first periodic table that was arranged by atomic mass
Döbereiner’s Triads
Law of Octaves
15
What did Johann Döbereiner contribute to the periodic table?
Used X-ray to find atomic number, corrected inconsistencies
Developed first period table that was arranged by atomic mass
Law of Octaves
Döbereiner’s Triads
