NDA Unit 1B1: Atomic Structure & Quantum Mechanics — practice questions

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Unit 1B1: Atomic Structure & Quantum Mechanics questions and exercises with answers

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Which has the higher atomic number?Read the answer and worked solution →

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Which has the higher atomic number?

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Questions

A
Sodium (Na)
B
Carbon (C)
Higher value
Sodium (Na)
A
Oxygen (O)
B
Iron (Fe)
Higher value
Iron (Fe)
A
Hydrogen (H)
B
Helium (He)
Higher value
Helium (He)
A
Calcium (Ca)
B
Potassium (K)
Higher value
Calcium (Ca)

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