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chemistry > S2.1 - ionic model > Flashcards

S2.1 - ionic model Flashcards

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1
Q

What are anions and cations?

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2
Q

What is an ion?

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3
Q

Why do metal atoms experience a smaller ENC?

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4
Q

Why do metal ions form positive ions?

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5
Q

How is sodium chloride formed?

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6
Q

How does attraction between water ions increase?

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7
Q

What ions can Na form?

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8
Q

Why are anions more attractive with increased charge?

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9
Q

Why are nobles gases unreactive?

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10
Q

What are properties of transition metals?

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11
Q

What happens when ions have a charge greater than +3?

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12
Q

Why is the formation of Ca3+ unfavourable?

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13
Q

How can you determine maximum oxidation states?

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14
Q

What are oxidation numbers?

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15
Q

What is a polyatomic ion?

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16
Q

What type of bonding is present in polyatomic ions?

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17
Q

What is an ionic bond?

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18
Q

What is the structure for ionic compounds?

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19
Q

What is the structure of NaCl?

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20
Q

What is a co-ordination number?

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21
Q

What is lattice enthalpy?

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22
Q

How can you increase lattice enthalpy?

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23
Q

Why do ionic compounds have high melting and boiling points?

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24
Q

How does charge affect melting and boiling points?

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25
Q

Why are ionic compounds non-volatile?

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26
Q

When are ionic compounds soluble?

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27
Q

How can you tell if a substance has dissolved or not?

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28
Q

What does hydrated mean?

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29
Q

What does solvated mean?

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30
Q

Why do ionic compounds conduct electricity?

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31
Q

Why are ionic compounds brittle?

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32
Q

When is something ionic, covalent or polar covalent?

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33
Q

Why are period 3 oxides less ionic across?

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34
Q

How do you work out % ionic character?

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35
Q

How do you calculate lattice enthalpy for 1 mole of ion pairs?

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36
Q

What is the relationship between energy needed to separate 2 ions and ionic charge?

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37
Q

What is the relationship between energy needed to separate 2 ions and ionic radius?

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chemistry (28 decks)

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