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Flashcards in Chemistry Deck (11)
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1
Q

Fixed shapes and volumes

A

Solid has a fixed shape and volume
Liquid only has a fixed volume
Gas has none

2
Q

Solid

A

Particles are close together, have no space to move around each other.

3
Q

Liquid

A

Particles are still close but have enough room to move around each other.

4
Q

Gas

A

Particles are further away than liquid and solid particles, gas particles have a very wide distance between them.

5
Q

Evapouration

A

Liquid turns to gas

6
Q

Condensation

A

Gas turns to liquid

7
Q

Boiling

A

Solid turns into liquid

8
Q

Melting

A

Solid turns into liquid

9
Q

What is a mole?

A

The mole number is 602000000000000000000000.
Also know as Avogadro’s number.
6.02 x 10 to the power of 23

10
Q

Speed distance time

A

Speed x time
Divide by
Distance

11
Q

Formula mass

A

We can work out one mole of a compound weighs by adding together the atomic masses of the different elements