Ionic Compounds Flashcards

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1
Q

What is called the structure of the ionic compounds?

A

Ionic compounds have a structure called a giant ionic lattice.

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2
Q

What does the ion form?

A

The ions form a closely packed regular lattice arrangement and there are very strong electrostatic forces of attraction between oppositely charged ions, in all directions in the lattice.

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3
Q

What is a table salt?

A

A single crystal of sodium chloride is one giant ionic lattice. The Na+ and Cl- ions are held in a regular lattice.

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4
Q

Why ionic compounds have high melting points and boiling points.

A

They all have high melting points and high boiling points due to the many strong bonds between the ions. It takes lots of energy to overcome this attraction.

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5
Q

What happens when the compound are solid?

A

When they’re solid, the ions are held in place, so the compounds can’t conduct electricity.

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6
Q

What happens when the compounds are melt?

A

When ionic compounds melt, the ions are free to move and they’ll carry electricity change.

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7
Q

What happens when the compounds are in the water?

A

Some ionic compounds dissolve in water. The ions separate and are all free to move in the solution, so they’ll carry electric change.

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8
Q

Page 114 activity.

A

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