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ATOMIC STRUCTURE AND ISOTOPES 2.1.1
Atoms,
6
Chemistry
12th Grade
11/04/2024

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Term
NUCLEIDS
Definition
Describe any atom which has atomic and mass number.
Term
ISOELECTRONIC
Definition
Atoms and ions that have the same number of electrons.
Term
ISOTOPES
Definition
The same element with different number of neutrons and different masses.
Term
RELATIVE ATOMIC MASS (Ar)
Definition
Weighted mean mass of an atom of the element compared with 1/12th mass of an atom of C-12
Term
RELATIVE ISOTOPIC MASS
Definition
Mass of an isotope compared with 1/12th mass of an atom of C-12
Term
In mass spectrometry what does the amount of deflection depends on?
Definition
-Size of the particle (the heavier the less deflected)
-Charge (bigger charges are more deflected)
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