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Y12 BTEC - Unit 1 - Chemistry > A1 - Ionic Bonding > Flashcards

A1 - Ionic Bonding Flashcards

1
Q

What is the definition of ionic bonding?

A

Strong electrostatic attraction between oppositely charged ions

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2
Q

Can solid ionic compounds conduct electricity?

A

No, Ions are not free to move.

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3
Q

When can ionic compounds conduct electricity?

A

When molten or dissolved in solution as the ions are free to move.

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4
Q

What crystal structure does an ionic compound have?

A

Giant ionic lattice

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5
Q

Describe the melting and boiling points of ionic compounds.

A

High melting and boiling points as there is a strong electrostatic attraction between oppositely charged ions.

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6
Q

What is the formula of sodium fluoride?

A

NaF

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7
Q

What is the formula of magnesium chloride?

A

MgCl2

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8
Q

What is the formula of sodium hydroxide?

A

NaOH

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9
Q

what is the formula of magnesium oxide?

A

MgO

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10
Q

What is the formula of sodium sulfate?

A

Na2SO4

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11
Q

What is the formula of aluminum oxide?

A

Al2O3

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12
Q

What is the formula of Calcium nitrate?

A

Ca(NO3)2

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13
Q

What affects the strength of ionic bonding?

A

Size of the ion and charge of the ion.

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14
Q

Which compound has the higher boiling point, MgCl2 or CaCl2?

A

MgCl2.

Mg2+ is a smaller ion than Ca2+ so has a stronger attraction to Cl-

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15
Q

Which compound has the higher boiling point, NaF or NaCl?

A

NaF

F- is a smaller ion than Cl- so has a stronger attraction to Na+.

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16
Q

Which compound has the higher boiling/ point, CaO or SrO

A

CaO

Ca2+ is a smaller ion than Sr2+ so has a stronger attraction to O2-.

17
Q

Which compound has the higher boiling point, MgCl2 or CaCl2?

A
18
Q

Which compound has the higher boiling point, Na2O or Na2S?

A

Na2O

O2- is a smaller ion than S2- so has a stronger attraction to Na+.

19
Q

Which compound has the higher boiling point, MgF2 or NaF

A

MgF2

Mg2+ is a smaller ion with a higher charge than \Na+ so has a stronger attraction to F-.

20
Q

In your exercise book: Draw the dot and cross diagram for MgO

A
21
Q

In your exercise book: Draw the dot and cross diagram for MgCl2

A
22
Q

In your exercise book: Draw the dot and cross diagram for NaF

A

Y12 BTEC - Unit 1 - Chemistry (8 decks)

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