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GCSE Chemistry > Chemistry: Bonding, Structure and Properties of Matter > Flashcards

Chemistry: Bonding, Structure and Properties of Matter Flashcards

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1
Q

What is an ion

A

Charged particle

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2
Q

What happens to metals when they form ions

A

They lose electrons to form a full outer shell

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3
Q

What happens to non-metal when they form ions

A

They gain electrons to form a full outer shell

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4
Q

what ions do group 1 form

A

1+

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5
Q

what ions do group 2 form

A

2+

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6
Q

what ions do group 6 form

A

2-

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7
Q

what ions do group 7

A

1-

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8
Q

What are the two main features of ionic bonding

A

Transfer of electrons between a metal and non-metal

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9
Q

What are the three main features of all ionic compounds

A

High melting and boiling points. When solid cant conduct electrical current but when liquid can. Easily dissolve in water and can conduct electricity

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10
Q

what is covalent bonding

A

Two non-metals bond together and share pairs of electrons

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11
Q

what are polymers

A

Lots of small monomers linked together to form a long chain molecule

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12
Q

Give three examples of giant covalent structures

A

Diamond, Graphite, Silicon dioxide

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13
Q

Describe Diamond

A

Made up of only carbon atoms that each form 4 bonds in a very rigid giant covalent structure

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14
Q

Describe graphite

A

Made up of only carbon atoms that each have 3 bonds to create layers of hexagons. Each carbon atom has one delocalised electron

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15
Q

Describe silicon dioxide (silica)

A

Made up of silicon and oxygen. This makes up sand

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16
Q

what is an allotrope

A

Different structural forms of the same element in the same physical stats

17
Q

What are fullerenes

A

Molecules of carbon, shaped like closed tubes or hollow balls

18
Q

What is metallic bonding

A

Two metals bond together. These metals have delocalised electrons and positive charged ions charged ions that keep them bonded together

19
Q

what are the state changes from solid->gas->solid in order

A

melting, boiling, condensing, freezing

GCSE Chemistry (10 decks)

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