Proton
Symbol: p
Relative mass : 1
+1 charge at the nucleus
Neutron
Symbol : n
Relative mass : 1
0 at nucleus
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Proton
Symbol: p
Relative mass : 1
+1 charge at the nucleus
Neutron
Symbol : n
Relative mass : 1
0 at nucleus
Electron
Symbol : e-
Relative mass : 1/1840
-1 energy levels surrounding the nucleus
Atomic number definition ?
Number of protons ( electrons )
Mass number definition ?
Number of neutrons and protons.
Isotope definition ?
An atom of an element that has a different number of neutrons.
Relative atomic masses definition ?
The weighted mean mass of an atom in a mixture of isotopes.
Relative isotopic mass definition ?
The mass of a single isotope.
What is a mass spectrometer ?
A mass spectrometer measures the mass of atoms and molecules. It produces positive ions that are then deflected based on their mass-to-charge ratio(m/z).