Quiz Mr Sameh Fawzy For Second Secondary Stage
- 1.From your information what you can conclude from this statement according to Bohr's atomic model " hydrogen ion "
- 2.Find the higher possible value of magnetic quantum number , and find four quantum number for the last electron in Cs ion which have an atomic number 55
- 3.What is the mistakes in the following 1-n=1 , L=1 , ml= 0 , ms= -1/2 2-n=3 , L=3 , ml= -1 , ms= +1/2 3- n=5 , L=3 , ml= -2 , ms= -1/2 4-n=4 , L=0 , ml= 0 , ms= -1/2 5-n=7.5 , L=3 , ml= -2 , ms= -1/2
- 4.Which of the following don't deflect with by the effect of the charge during gold foil experiment
- A.
Alpha particles
- B.
Cathode rays
- C.
Hydrogen atom
- D.
Protons
- 5.When the electron absorb quantum so it jumps to higher level then returns back to its energy level so it
- A.
Absorb lightÂ
- B.
Emit beta particles
- C.
Emit alpha particles
- D.
Lose their energy as a spectral line
- 6.All of the following are from the properties of electron except
- A.
Wave properties
- B.
Material particles
- C.
Absorb energy when it transfer from higher to lower
- D.
Deflect under the effect ofÂ
- 7.Numbers which define order of levels and motion of electron and number of orbitals
- A.
Quantum numbers
- B.
Magnetic quantum number
- C.
Spin quantum number
- D.
Principle quantum number
- 8.The electron which excited to the fourth energy level returns to its ground state in one jump
- A.
True
- B.
False
- 9.Which of the following values represent another value for the this electron in the same orbital n=7 , L=3 , ml= -2 , ms= -1/2
- A.
N=7 , L=3 , ml= -2 , ms= -1/2
- B.
N=7 , L=3 , ml= +2 , ms= -1/2 are
- C.
N=7 , L=3 , ml= -2 , ms= 1/2 are
- D.
N=7 , L=3 , ml= -2 , ms= +1/2 are
- 10.Atom according to Greek philosopher
- A.
Large particles
- B.
Dividable
- C.
Undividable
- D.
No correct answer
- 11.Gases under normal conditions conduct electricity
- A.
True
- B.
False
- 12.The first scientist who defined element
- A.
Boyle
- B.
Thomson
- C.
Dalton
- D.
Aristotle
- 13.Position of electron in ground state according to its position in excited state is
- A.
Close to the nucleus
- B.
Further than nucleus
- C.
In next energy level
- D.
No correct answer
- 14.Illogical idea of Aristotle caused retard in development in chemistry
- A.
True
- B.
False
- 15.Bohr's atomic model
- A.
Suggest that the electron occupy a definite energy level only
- B.
Electron rotate in a rapid movement without emission or absorption of any amount of energy and atom in this state called stable atom
- C.
Explained the line spectrum of hydrogen atom only
- D.
All the previous
Questions: 7 | Attempts: 644 | Last updated: Mar 20, 2022
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