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2.3 Isotopes
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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
Explain the chemical properties of isotopes of the same element
Back (Answer)
Same chemical properties-same electron config
#2
Front (Question)
Explain physical properties of isotopes of the same element
Back (Answer)
Can be different eg. Density because they have different masses
#3
Front (Question)
formula to calculate relative atomic mass
Back (Answer)
((Ar of isotope x abundance)+(Ar of isotope x abundance)) / 100 = relative atomic mass
#4
Front (Question)
Why is the atomic mass of chlorine not a whole number
Back (Answer)
Because it has 2 isotopes, 75% of one mol of atoms is Cl-35 The other 25% is Cl-37. The abundance of each isotope is considered when working out the relative atomic mass