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Chemistry > Topic 5 - Ionic bonding > Flashcards

Topic 5 - Ionic bonding Flashcards

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1
Q

Ionic Compounds

A

made from chemical combinations of metallic and non-metallic elements

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2
Q

PROPERTIES OF IONIC
COMPOUNDS

A

High melting and boiling points
hard but brittle (not malleable or ductile)
- do not conduct electricity
- can conduct electricity in a liquid state
they are not soluble in non-polar solvents such as oil

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3
Q

Ionic bonding

A

The electrostatic forces of attraction holding the ions together is called
ionic bonding.

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4
Q

high melting points

A

forces between the particles are strong

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5
Q

brittleness -

A

Ionic Compounds
because the layers of ions will move relative to each
other due to the force of the blow. During this movement, ions
of like charge are shifted so they are next to each other. The
resulting repulsion between the similarly charged ions causes
the crystal to shatter.

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6
Q

hard

A

forces between the particles are strong

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7
Q

Conductivity

A

Metals: High – due to free-moving delocalised ELECTRONS\
Ionic compounds: In molten or liquid state – High: due to free moving
IONS (cations and anions).
In solid-state – No conductivity: as ions cannot move.

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8
Q

metals

A

positive charged metals + free electrons
Electrostatic force or attraction

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9
Q

Ionic Compounds Composition

A

Metal Ions + Non-metal ions
the electrostatic force of attraction

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10
Q

Ductile and Malleable

A

Metal ions move past each
other when a force is applied. But the layers of ions are
still held together by the delocalised electrons between
them.

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11
Q

Soluble

A

Sodium
Nitrate
Ammonium
Potassium

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12
Q

Ammonium

A

NH 4 +

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13
Q

Nitrate

A

NO 3 -

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14
Q

Nitrite

A

NO 2 -

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15
Q

Carbonate

A

CO 3 2-

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16
Q

Iodide

A

I -

17
Q

Chromate

A

CrO 4 2-

18
Q

Sulfate

A

SO 4 2-

19
Q

Chloride

A

Cl -

20
Q

-ite and -ate

A

(For two different ions of the same element with oxygen, the name of the ion with the smaller number of oxygen atoms usually ends in ‘-ite’ and the one with the larger number of oxygen atoms ends in
‘-ate’.)

21
Q

Naming ionic compounds - non-metals

A

ends in -ide when it’s just then anion

22
Q

Same number of charge =

A

cancelled out

23
Q

Lead

A

Pb 2+, Pb 4+

24
Q

Iron

A

Fe 2+, Fe 3+

25
Q

Tin

A

Sn 2+, Sn 4+

26
Q

Copper

A

Cu +, Cu 2+

27
Q

What is at the front of an equation that makes them insoluble in water

A

Ag, and Pb

28
Q

CaSO4

A

is always solid

29
Q

Hydroxide

A

OH-

Chemistry (6 decks)

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