Fundamental ideas (1)

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  • Created by: becky.65
  • Created on: 12-12-15 11:28
If a solid is heated and changes directly into a gas without melting, what is this change of state called?
Sublimation
1 of 5
When a solid reaches its melting point, what is happening to the energy we are providing?
It is being absorbed to break the forces between the particles in the solid
2 of 5
What are atoms made of?
Protons, neutrons and electrons
3 of 5
What is the atomic number equal to?
The number of protons (and the number of electrons as there is an equal number of protons and electrons)
4 of 5
What is the mass number equal to?
The number of the protons + neutrons
5 of 5

Other cards in this set

Card 2

Front

When a solid reaches its melting point, what is happening to the energy we are providing?

Back

It is being absorbed to break the forces between the particles in the solid

Card 3

Front

What are atoms made of?

Back

Preview of the front of card 3

Card 4

Front

What is the atomic number equal to?

Back

Preview of the front of card 4

Card 5

Front

What is the mass number equal to?

Back

Preview of the front of card 5

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