Curriculum
Course: IB Physics SL
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Curriculum

IB Physics SL

Theme A — Space, Time and Motion

0/80 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/87 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/60 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/41 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/59 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/54 Dr Dabour Hub Science Diagram and Course Material
Quiz

B.3.2 Amount of Substance – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The number of molecules in 0.50 mol of a gas is
6.0 × 1023
3.0 × 1023
1.2 × 1024
0.50
2.
The amount of substance in 64 g of oxygen gas (O2, M = 32 g mol−1) is
0.50 mol
1.0 mol
4.0 mol
2.0 mol
3.
The mass of one molecule of nitrogen N2 (M = 28 g mol−1) is approximately
4.7 × 10−26 kg
4.7 × 10−23 kg
1.7 × 10−25 kg
28 kg
4.
Which sample contains the most molecules?
8 g of carbon dioxide (M = 44)
8 g of oxygen (M = 32)
8 g of helium (M = 4)
8 g of methane (M = 16)
5.
NA has the unit
mol
none
kg mol−1
mol−1
6.
The number of atoms in 1.0 mol of ozone O3 molecules is
1.8 × 1024
1.2 × 1024
6.0 × 1023
3.0 × 1023
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Part of Theme B — The Particulate Nature of Matter — see every lesson and quiz in this unit.
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