Atomic structure Flashcards
What two sub-atomic particles are in the nucleus?
Protons and Neutrons
What sub-atomic particle is not in the nucleus?
Electrons
What are electrons grouped in?
Shells
What sub-atomic particle has almost no weight?
An electron
Which sub-atomic particle has a charge of + 1?
Proton
Which sub-atomic particle has a charge of - 1?
Electron
Which sub-atomic particle has a charge of 0?
Neutron
What is the Atomic mass?
The amount of protons and neutrons combined
What is the proton number?
The amount of protons or electrons
What is a isotope?
Two elements with the same amount of protons and electrons but a different amount of neutrons
How do you work out isotopes?
100
What is the relative atomic mass of copper with 69.2% of it having a mass of 63 and 30.8% if it having a mass of 65?
63.6
How many electrons can fit in the first shell?
2
How many electrons can fit in the second and third shells?
8
