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Chemistry > Structure and Bonding > Flashcards

Structure and Bonding Flashcards

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1
Q

Covalent bonding

A

Bonding between 2 (or more) atoms where electrons are
shared, strong bonds

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2
Q

Molecule

A

A substance which contains two or more covalently
bonded atoms

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3
Q

Metal

A

An element which loses electrons to form positive ions

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4
Q

Non metal

A

An element which gains electrons to form negative ions

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5
Q

Ionic Bond

A

A bond formed by the electrostatic attraction of oppositely
charged ion

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6
Q

Electrostatic

A

The force between a positive and negative charge

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7
Q

Ionic Lattice

A

The regular 3D arrangement of ions in an ionic compound

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8
Q

Giant Ionic Lattice

A

The oppositely charged ions in a giant ionic lattice are held together by strong ionic bonds

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9
Q

Aqueous

A

When a substance is dissolved in water

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10
Q

Properties of ionic compounds?

A

High melting points, due to strong electrostatic
forces between the oppositely charged ions, do not conduct electricity

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11
Q

Polymer

A

Very large molecule made from monomers

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12
Q

Intermolecular forces

A

Force of attraction between between two molecules

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13
Q

Metallic bonding

A

A type of bonding which occurs only in metal

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14
Q

Alloy

A

A mixture of 2 or elements, one of which is a metal (the
Metallic other element may be metal or non metal)

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15
Q

Delocalised electron

A

An electron that is not attached to an atom

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16
Q

Malleable

A

The ability of a material to be bent into shape

17
Q

Most and least reactive metals

A

Potassium, platinum

18
Q

Giant Covalent

A

Giant covalent structures contain very many atoms, each joined to adjacent atoms by covalent bonds, high melting point

19
Q

Allotrope

A

Different forms of the same element for example diamond
and graphite are allotropes of carbon

20
Q

Name 3 allotropes of carbon

A

Silica, diamond, graphite

Chemistry (5 decks)

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