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Applied Science (Unit 1) > Chemistry > Flashcards

Chemistry Flashcards

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1
Q

What is Ionic Bonding

A

The electrostatic attraction of oppositely charged ions

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2
Q

What is an Ionic Lattice

A

When lot of ions attract

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3
Q

Properties of Ionic Bonding

A

High Melting Point, Conduction (only when a liquid) and Brittle

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4
Q

What is Metallic Bonding

A

The force of attraction between these free moving (delocalized) electrons and positive metal ions

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5
Q

What is an Alloy

A

Two or more metals mixed together, layer would also not slide over one another making them hard to bend

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6
Q

Properties of Metallic Bonding

A

Ductile, malleable and a good conductor

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7
Q

What is Covalent Bonding

A

The strong electrostatic attraction between a shared pair of electrons and positive nuclei of two atoms

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8
Q

What is Dative Covalent Bonding

A

The strong electrostatic attraction between a shared pair of electrons and positive nuclei of the same atom

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9
Q

What are Sub-Shells

A

S, P, D

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10
Q

How many electrons does an orbital contain

A

Two

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11
Q

What is the AUFBAU principle

A

Electrons enter the lowest energy level

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12
Q

What is Hund’s Rule

A

When in orbital of equal energy, electrons will try to remain unpaired

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13
Q

What is Pauli’s Exclusion Principle

A

Two Electrons can go in each other’s orbitals if they have opposite spin

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14
Q

What Sub-Shells are in the first level

A

1s

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15
Q

What Sub-Shells are in the second level

A

2s, 2p

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16
Q

What Sub-Shells are in the third level

A

3s, 3p, 3d

17
Q

What is Ionization

A

Electrons would be taken from the s series before the d series

18
Q

What is Electronegativity

A

The ability to attract the pair of electrons in a covalent bond to itself

19
Q

What is the most electronegative element

A

Fluorine, F

20
Q

What are the types of intermolecular forces

A

Induced dipole-dipole, Permanent dipole-dipole, Hydrogen Bonding

21
Q

What is Induced Dipole-Dipole

A

A temporary and weak force between different molecules in a substance

22
Q

What’s is a Permanent Dipole-Dipole

A

Polar Molecules held together by permanent dipole interactions

23
Q

What is Hydrogen Bonding

A

The strongest IMF forming in molecules with very polarised bonds and a lone pair

24
Q

What determines Ionic Bond Strength

A

High Charge, Smaller Ions

25
Q

What determines Mettalic Lattice Strength

A

Smaller Ions, Higher Charge(More electrons)

26
Q

What determines Covalent Bond Strength

A

Longer Bonds are weaker

Applied Science (Unit 1) (6 decks)

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