C1 PRINCIPLES OF CHEMISTRY

Question 1

What is the state symbol for a liquid?

Answer 1

(l)

Question 2

Which is the only state of matter that has a fixed shape?

Answer 2

solid

Question 3

In what ways does fine sand behave like a liquid?

Answer 3

Fine sand will pour or flow like a liquid.
It takes the shape of the container it is poured into (although under a microscope you would see gaps at the surface of the container).

Question 4

What type of movement do the particles in a solid have?

Answer 4

The particles in solid vibrate about a fixed point.

Question 5

In which state are the particles held together more strongly :
In solid water, liquid water or water vapour?

Answer 5

solid water (ice).

Question 6

What is the name of the process that occurs when the faster-moving particles in a liquid escape from its surface?

Answer 6

Evaporation is the process that occurs when faster-moving particles in a liquid escape from the liquid surface.

Question 7

What name is given to the temperature at which a solid changes into a liquid?

Answer 7

Melting is the name of the process when a solid changing into a liquid.