C4c - The Periodic Table and Covalent Bonding

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  • Created by: Esme
  • Created on: 20-11-12 12:25
What is a vertical column of elements in the periodic table called?
A group.
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What do elements in the same group have in common?
The number of electrons on their outer shell.
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What is a horizontal row of elements in the periodic table called?
A period.
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What do elements in the same period have in common?
The number of occupied (full) shells.
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What does an electronic structure of an element show?
The number of electrons in each shell.
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What are the three types of bonding?
Ionic, covalent, metallic.
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Between what type of molecules does covalent bonding occur?
Non-metals.
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What type of bonding occurrs with sharing pairs of electrons?
Covalent.
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What is the intermolecular force of attraction between molecules in covalent bonding like?
Weak.
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Do covalently bonded molecules have low or high melting points?
Low.
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Can covalently bonded molecules conduct electricity? Why?
No. There are not free electrons to create a current.
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What did Dobereiner suggest?
Law of Triads.
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What did John Newlands first make?
A table of elements called the Law of Octaves.
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What did Mendeleev make?
The modern periodic table.
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What did Mendeleev predict correctly?
Properties of unknown elements and ivestigations on atomic structure.
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Other cards in this set

Card 2

Front

What do elements in the same group have in common?

Back

The number of electrons on their outer shell.

Card 3

Front

What is a horizontal row of elements in the periodic table called?

Back

Preview of the front of card 3

Card 4

Front

What do elements in the same period have in common?

Back

Preview of the front of card 4

Card 5

Front

What does an electronic structure of an element show?

Back

Preview of the front of card 5
View more cards

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