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AS Level Chemistry > Bonding > Flashcards

Bonding Flashcards

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1
Q

Define Ionic Bonding

A

Ionic Bonding is the Electrostatic Attraction between Oppositely Charged Ions

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2
Q

What is a Covalent Bond?

A

A Covalent Bond is a bond formed by a Shared Pair of Electrons

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3
Q

Do Ionic Compounds Have High or Low Melting/Boiling Points? Why?

A

Ionic Compounds have High Melting/Boiling Points because of Strong Electrostatic Forces of Attraction

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4
Q

When do Ionic Compounds Conduct? Why?

A

Ionic Compounds Conduct when Molten or in a Solution as Ions become Mobile can can Carry a Current

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5
Q

What Shape do Ionic Compounds Form?

A

Ionic Compounds form Giant Lattices

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6
Q

What does Expanding the Octet mean?

A

Some Elements use their Empty d Sub-Shells to Accept More Than 8 Electrons into their Outer Shell through Covalent Bonding

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7
Q

What does Reducing the Octet mean?

A

Reducing the Octet is where some elements can have Less than 8 Electrons in their Outer Shell through Covalent Bonding. They keep the Same Number of Outer Electrons and find Stability Through Other Means.

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8
Q

What Is A Lone Pair?

A

A Lone Pair is an Outer-Shell pair of Electrons Not involved in Chemical Bonding

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9
Q

What is a Dative Covalent Bond?

A

A Dative Covalent Bond is a Shared Pair of Electrons provided by only One Bonding Atom

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10
Q

Do Simple Covalent Molecules Conduct?

A

Simple Covalent Molecules Don’t Conduct

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11
Q

What Structure do Giant Covalent Substances have?

A

Giant Covalent substances form Large Lattice Structures

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12
Q

What Giant Covalent Molecule Can Conduct?

A

Graphite can Conduct

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13
Q

Define Metallic Bonding

A

Metallic Bonding is the Electrostatic Attraction between Positive Metal Ions and Delocalised Electrons

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14
Q

In Metallic Bonding, What Happens to the Melting/Boiling Points When There are More Electrons?

A

When there are More Electrons in Metallic Bonding, The Melting/Boiling Points Increase

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15
Q

Why are Metals good Conductors?

A

Metals are Good Conductors as Delocalised Electrons can Carry Charge

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16
Q

Why Are Metals Malleable and Ductile?

A

Metals are Malleable and Ductile as Atoms can roll over eachother Without Breaking Bonds

17
Q

What Is an Alloy?

A

An Alloy is a Mixture of Metal with other Atoms, they are used to Disrupt Layers and change the Properties of the Metal

18
Q

What is the Bond Angle and Shape when there are 2 Bonding Pairs and 0 Lone Pairs?

A

The Bond Angle when there are 2 Bonding Pairs is 180° and the Shape is Linear

19
Q

What is the Bond Angle and Shape when there are 3 Bonding Pairs and 0 Lone Pairs?

A

The Bond Angle when there are 3 Bonding Pairs is 120° and the Shape is Trigonal Planar

20
Q

What is the Bond Angle and Shape when there are 4 Bonding Pairs and 0 Lone Pairs?

A

The Bond Angle when there are 4 Bonding Pairs is 109.5° and the Shape is Tetrahedral

21
Q

What is the Bond Angle and Shape when there are 6 Bonding Pairs and 0 Lone Pairs?

A

The Bond Angle when there are 6 Bonding Pairs is 90° and the Shape is Octahedral

22
Q

What is the Bond Angle and Shape when there are 3 Bonding Pairs and 1 Lone Pair?

A

The Bond Angle when there are 3 Bonding Pairs and 1 Lone Pair is 107° and the Shape is Pyramidal

23
Q

What is the Bond Angle and Shape when there are 2 Bonding Pairs and 2 Lone Pairs?

A

The Bond Angle when there are 2 Bonding Pairs and 2 Lone Pairs is 104.5° and the Shape is Angular

AS Level Chemistry (7 decks)

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