Atomic structure

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  • Created by: lohmeym
  • Created on: 07-04-14 14:30
Protons
relative charge of +1 and relative mass of 1
1 of 13
neutrons
relative charge 0 and relative mass 1
2 of 13
electrons
relative charge -1 and relative mass 1/1840
3 of 13
nucleus
centre of atom formed by protons and neutrons
4 of 13
nucleons
protons and neutrons, which can be found in the nucleus
5 of 13
strong nuclear force
force that holds protons and neutrons together
6 of 13
electrostatic forces
force that holds electrons and protons together
7 of 13
Atomic number, Z
number of protons
8 of 13
Mass number, M
number of protons + number of neutrons
9 of 13
isotopes
atoms of the same element with the same atomic number but different mass number
10 of 13
relative atomic mass (Ar)
average mass of one atom of an element / (1/12)x the mass of one atom of C12
11 of 13
Ionisation energy
is the energy required to remove one mol of electrons from one mol of atom in the gaseous state and is measured in kJmol
12 of 13
successive ionisation energies
the energies required to remove the electrons one by one from an atom
13 of 13

Other cards in this set

Card 2

Front

neutrons

Back

relative charge 0 and relative mass 1

Card 3

Front

electrons

Back

Preview of the front of card 3

Card 4

Front

nucleus

Back

Preview of the front of card 4

Card 5

Front

nucleons

Back

Preview of the front of card 5
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