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Summary IB Chemistry chapter 2: ATOMIC STRUCTURE CA$7.73
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Summary IB Chemistry chapter 2: ATOMIC STRUCTURE

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Everything you need to help you with Chemistry chapter 2. These notes are perfectly summarized and organized in subtopic. Includes a compilation of information from the textbook, study guides, class notes and other IB resources. Super easy to read and a great amount of information to help you ace ...

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  • December 15, 2021
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  • 2020/2021
  • Summary
  • Secondary school
  • 1st degree
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ATOMIC STRUCTURE

Subatomic particles
● Nucleus = protons + neutrons
● Electrons exist on energy levels


Particle Charge Mass
Proton +1 1

Neutron 0 1

Electron -1 5x10-4


Notation




● A = Total number of protons + neutrons in nucleus
● Z = Total number of protons (also = total number of electrons)

Isotopes
● Elements of the same kind with the number number of protons (and
electrons) but different number of neutrons
● Different atomic mass
● Same chemical properties
- Chemical properties depend on the electron configuration
● Different physical properties

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