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15
×
G.R/ Mendleev had to put more than one element in one cell
Due to the similarity in their properties
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10
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What was the name of the book that mendleeve explained his periodic table in?
The principles of chemistry
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5
×
Complete / the modern periodic table consists........ vertical groups
18
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10
×
The first real preodic table for classifying element
Mendleev's periodic table
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banana
Go to last place!
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shark
Other team loses 10 points!
Okay!
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gift
Win 20 points!
Okay!
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thief
Give points!
5
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15
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25
15
×
G.R / mendleev had to make disturbance in the ascending order of atomic weights of some elements
To put them in groups that suits their properties
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5
×
The number of elements which exist in nurture according to the modern periodic table
92
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10
×
The scientist who left empty cells in the table to be filled with discovered elements in future
Mendleev
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20
×
What are the advantages of Mendleev's periodic table
......
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5
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complete / The modern periodic table consists of........ horizontal periods
7
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thief
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5
10
15
20
25
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magnet
Take 20 points!
Okay!
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shark
Other team loses 15 points!
Okay!
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lifesaver
Give 25 points!
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10
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Who is the scientist that discovered that nucleucs of the atom contains positively charged protons
Rutherford
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25
×
How did mendleev classify elements
.......
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15
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G.R/mendleev would have to deal with isotopes of one element which were discovered later as different elements
Due to the difference in their atomic weights
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15
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What are the most important attempts
Mendleev's periodic table, moseley's periodic table and the modern periodic table
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heart
Other team wins 25 points!
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seesaw
Swap points!
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gift
Win 5 points!
Okay!
×
banana
Go to last place!
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×
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