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Chemisty > Ionic Bonding > Flashcards

Ionic Bonding Flashcards

1
Q

How many electrons fill the first shell of an atom

A

2 electrons

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2
Q

How many electrons does the outer shells have in an atom

A

8 electrons

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3
Q

Are metals positive or negative

A

Positive

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4
Q

Non metals are positive or negative

A

Negative

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5
Q

Metals loose or gain electrons

A

Loose

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6
Q

Non metals loose or gain electrons

A

Gain

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7
Q

How is an ionic bond formed

A

They transfer electrons from one shell to another to gain a full outer shell

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8
Q

Remember when drawing a diagram of an ion

A
  • use brackets
  • one using dots, one using crosses
  • charge must be on the top right
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9
Q

What does lattice mean

A

Hundreds of atoms liked together

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10
Q

Solubility meaning

A

-Ionic compounds dissolved in water
-lattice is spilt up by water molecules so the ions can move around freely

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11
Q

What is a melting point

A

It takes more energy to break the strong electrostatic forces

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12
Q

What is conductivity

A

If the substances are able to pass water through water

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13
Q

Is an ion is a charged particle, is it positive, negative or both

A

Positive / negative

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14
Q

The word to describe the loose electrons on the outer shells of metal atoms

A

Delocalised electrons

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15
Q

Covalent bonding occurs between

A

Non metals only

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16
Q

Electrostatic forces hold the

A

covalent bonds together

17
Q

Simple covalent structures have a weak __________ _____ that takes less energy to be broken

A

Intermolecular forces

18
Q

Simple covalent structure do not conduct because

A

They don’t have ions to carry the charge- no delocalised electrons

19
Q

Polymers are made from

A

Small molecules joined together

20
Q

Polymers have a low melting point because they are

A

Simple covalent structures - no ions ( delocalised electrons) to carry the change

21
Q

Intermolecular forces are strong or weak?

A

Weak

22
Q

Simple covalent structure have a ______ melting point

A

Low

23
Q

Do Giant covalent structures conduct or not? And why

A

They do not conduct -they do not have delocalised electrons

24
Q

What is Nanoscience

A

The study and use of extremely small substances

25
Q

What is 1 nanometre

A

(1nm)= 0.000.000.001
(1x10 (-9) m)

26
Q

How do you find the surface area?

A

Length x width x how many sides

27
Q

What are nanoparticles used for?

A

-Delivering drugs to the cells needed
-used in suncream ( protects against the UV)

28
Q

Which type of bonding results from the electrostatic force of attraction between positively and negatively charged ions?

A

Ionic bonding

Chemisty (3 decks)

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