Organising the elements of life

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Who is seen as being the father of the modern periodic table?
Mendeleev
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How did Mendeleev order his periodic table?
By reletive atomic mass
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How are elements arranged in the periodic table?
By the proton number
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What are the vertical collumns called?
groups
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What are the horizontal rows called?
Periods
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What is it called when a patteren can be seen along a period?
Periodicity
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What happens to boiling point along a period?
It increases then decreases again. Metalic lattices and giant covelant lattices require high amounts of energy to break the bonds to melt them. Where as Simple convalent molecules have weak intermolecular forces that are easily broken.
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What does the group number determin?
The number of electrons in the outer shell
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What does the period number determin?
The number of shells an element has
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What ion does a group 1 element form?
+1
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What ion does a group 6 element form?
-2
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What ion does aluminium form?
+3
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Other cards in this set

Card 2

Front

How did Mendeleev order his periodic table?

Back

By reletive atomic mass

Card 3

Front

How are elements arranged in the periodic table?

Back

Preview of the front of card 3

Card 4

Front

What are the vertical collumns called?

Back

Preview of the front of card 4

Card 5

Front

What are the horizontal rows called?

Back

Preview of the front of card 5
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