Chemistry Revision

HideShow resource information
  • Created by: mel
  • Created on: 21-05-13 17:22
The atoms in an element are:
The atoms in an element are all the same type
1 of 5
Atoms are always neutral, explain why?
Because protons are positive and electrons are negative so they cancel each other out, and neutrons are neutral therefore neutrons don't make a difference in the atom.
2 of 5
How do you work out how many neutrons there are in an atom?
You take the mass number and take away the atomic number from it.
3 of 5
What is the atomic number of an atom?
The number of protons it contains.
4 of 5
What is special about the electronic structure of argon and neon?
They both have a full outer shell, meaning that they are not reactive.
5 of 5

Other cards in this set

Card 2

Front

Atoms are always neutral, explain why?

Back

Because protons are positive and electrons are negative so they cancel each other out, and neutrons are neutral therefore neutrons don't make a difference in the atom.

Card 3

Front

How do you work out how many neutrons there are in an atom?

Back

Preview of the front of card 3

Card 4

Front

What is the atomic number of an atom?

Back

Preview of the front of card 4

Card 5

Front

What is special about the electronic structure of argon and neon?

Back

Preview of the front of card 5

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »