Ionic Compounds & Bonding (unit 2.1) Flashcards

(4 cards)

1
Q

What does a ionic compound form between?

A

An ionic compound is formed between a
metal and a
non-metal element

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2
Q

How are ionic bonds formed?
Positive and negative

A

Positive ions -formed when electrons are lost
Negative ions - formed when electrons gained

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3
Q

What is the structure of ionic compound?

A

Ions are arranged in a giant lattice.

Positive ions are surrounded by negative ions.

Negative ions are surrounded by positive ions.

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4
Q

What are the properties of ionic compounds?

A

High melting and boiling points
A lot of heat energy is required to break the strong ionic bonds.
The greater the charge on the ions, the higher the melting and boiling point.

Conducts electricity when molten or in solution
Solid ionic compounds do not conduct electricity as ions cannot move
however when molten or dissolved in water ions can move and carry electrical energy.

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