Chemistry C2 Flashcards

1
Q

What are the states of matter

A

Solid , liquid , gas

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2
Q

What is changing state from solid to liquid

A

Melting

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3
Q

What is changing state from liquid to gas

A

Boiling

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4
Q

What is changing state from gas to liquid

A

Condensation

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5
Q

What is changing state from liquid to solid

A

Freezing

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6
Q

Why is the particle theory wrong

A

The balls aren’t actually spheres

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7
Q

What is an ion

A

An atom with a positive or negative charge

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8
Q

When are ions created

A

They are made if electron are lost or gained

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9
Q

What charge do the ions from group two have

A

+2

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