ISOTOPES
SAME PROTONS, NEW NEUTRONS
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The 3 Forms of Hydrogen
p
Protium
¹H
1p · 0n · A = 1
p
n
Deuterium
²H
1p · 1n · A = 2
p
n
n
Tritium
³H
1p · 2n · A = 3
1 proton
the same in all
0 · 1 · 2
different neutrons
Same
chemical properties
1. What is an Isotope?
Same element, same protons (Z)
Neutrons alag → mass number (A) alag
2. More Examples
Carbon: C-12 (6n), C-14 (8n)
Chlorine: Cl-35, Cl-37 · Uranium: U-235, U-238
3. Uses
C-14: dating fossils
Co-60: cancer treatment
MATRIC CHEMISTRY · STRUCTURE OF ATOM · PUNJAB BOARDS
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