Isotopes (Grade 10 NSC Matric Physical Sciences): Flashcards
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Define isotopes
Define isotopes
Same element, same protons, different neutrons
Isotopes: atomic number
Isotopes: atomic number
Same (same number of protons)
Isotopes: mass number
Isotopes: mass number
Different (different number of neutrons)
Why isotopes have identical chemical properties
Why isotopes have identical chemical properties
Same number of electrons
What determines element identity
What determines element identity
Number of protons
Isotope notation format
Isotope notation format
E-A (element-mass number)
Natural abundance meaning
Natural abundance meaning
% of each isotope in nature
Cl-35 and Cl-37 natural abundance
Cl-35 and Cl-37 natural abundance
Cl-35: 75%, Cl-37: 25%
Average atomic mass calculation
Average atomic mass calculation
Weighted average using isotope masses and abundances
Chlorine average atomic mass
Chlorine average atomic mass
35.5 u