F4 CHAP 2 OUTPUT TEST 7/3

Which of the following represents the arrangement of particles in carbon?

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which of the following is the use of iodine-131 isotope?

• treat cancer

• detect pipe leakage

• studying of the metabolism of plants

• treatment of thyroid

The diagram 1 shows a model of an atom.

Who introduced this model?

• Neils Bohr

• John Dalton

• James Chadwick

• Ernest Rutherford

Which of the following electron arrangement has the same number of valence electrons as the atom in Diagram 2 ?

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The particles of matter are in motion and collide with each other.

Which process proved the statement?

• Diffusion

• Respiration

• Evaporation

• Sublimation

Diagram 7 shows a standard representation of

an atom of element T.

Which statement is correct about atom T?

• T ion has 19 electrons

• T ion has 18 proton.

• The number of neutron of T atom is 39

• The number of electron of T atom is 20

Which substance exists as an atom?

• Air

• Steam

• Argon

• Ethane

The melting point of substance W is -5 degree Celsius and

its boiling point is 78 degree Celsius .

What is the physical state of substance W at

-8 degree Celsius and 80 degree Celsius?

• At -8 degree Celsius = Solid

  At 80 degree Celsius = Gas

• At -8 degree Celsius = Solid

  At 80 degree Celsius = Liquid

• At -8 degree Celsius = Liquid

  At 80 degree Celsius = Gos

• At -8 degree Celsius = Liquid

  At 80 degree Celsius = Liquid

Table shows the boiling point and melting point

of substances W, X, Y and Z.

Which substance is a liquid at 100𝑜𝐶 ?

• W

• X

• Y

• Z

Diagram below shows the electron

arrangement of atom X.

Which of the following has the same electron arrangement as atom X?

[Proton number : He = 2 ; Na = 11; Mg = 12; Cl = 17 ]

• He

• Mg

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