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National 5 Chemistry > Bonding > Flashcards

Bonding Flashcards

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1
Q

What is a Covalent Bond?

A

A Covalent bond is two non-metals sharing their electrons.

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2
Q

How are Covalent Bonds held together?

A

Covalent Bonds are held together by the electrostatic force of attraction between the positive nuclei and negative electrons.

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3
Q

What shape would a molecule with two atoms take?

A

Linear.

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4
Q

What shape would a molecule with three atoms take?

A

Angular.

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5
Q

What shape would a molecule with four atoms take?

A

Trigonal Pyramidal.

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6
Q

What shape would a molecule with five atoms take?

A

Tetrahedral.

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7
Q

What is an Ionic Bond?

A

An Ionic Bond is the electrostatic force of attraction between a positive metal ion and a negative non-metal ion.

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8
Q

What is an Ionic Lattice?

A

An Ionic Lattice is a regular arrangement of metal and non-metal ions.

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9
Q

What type of melting and boiling points does an ionic lattice have?

A

A high melting and boiling point.

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10
Q

Are Ionic Lattices soluble in water?

A

Yes.

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11
Q

Can Ionic Lattices conduct electricity?

A

Yes, but only when molten or in solution. this is because the structure breaks up and the ions are free to move.

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12
Q

What is a Covalent Network?

A

A Covalent Network is made up of strong covalent bonds within one giant structure.

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13
Q

What type of melting and boiling points does a Covalent Network have?

A

Very high.

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14
Q

Are Covalent Networks soluble in water?

A

No, they are insoluble.

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15
Q

Can Covalent Networks conduct electricity?

A

No. The only exception to this is Graphite.

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16
Q

What is a Covalent Molecular structure?

A

Covalent Molecular Structures have strong covalent bonds within the molecules but only weak forces of attraction between molecules.

17
Q

What type of Melting and Boiling does a Covalent Molecular Structure have?

A

Low melting and boiling points.

18
Q

Can Covalent Molecular Structures conduct electricity?

A

They do not conduct electricity except water. This is because water sometimes dissociates in to hydrogen and hydroxide ions.

19
Q

What is a Solute and what is a solvent?

A

Solute is what you put Solvent is where it went.

National 5 Chemistry (9 decks)

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