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periodic table Flashcards | StudBud
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periodic table
periodic table
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#periodictable #grade8th #science #ms chestnut #5a
Flashcards
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Questions
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Answers
1
how many elements does the periodic table has
131
121
118
191
2
Elements in the periodic table are arranged by
number of proton
the atomic number
atomic weight
number of neutrons
3
what year was the periodic table made
1834
1869
1865
1782
4
how many rows are in the periodic table
7
11
10
9
5
how many periods are in the periodic table
14
6
7
12
6
how many groups are in the periodic table
18
16
25
22
7
how many metals are on the periodic table
95
72
45
91
8
what element has the atomic number of 15
carbon
neon
phosphorus
iron
9
Who invented the periodic table
Henry Mosely
Dimitri Mendeleev
Ernst Rutherford
Rutherford
10
What side of the periodic table are the non-metals found on?
left
bottom
top
right
