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What is the approximate ratio of the effusion rates between O2 and H2 gas? ( )

A. 16:1
B. 4:1
C. 1:4
D. 1:16

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Electrons are lost by the ( )

A. oxidizing agent as it undergoes oxidation
B. oxidizing agent as it undergoes reduction
C. reducing agent as it undergoes oxidation
D. reducing agent as it undergoes reduction

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How many orbitals are there in the n = 6 shell of an atom? ( )

A. 6
B. 13
C. 36
D. 72

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Which experiment shows the particle property of the electromagnetic radiation? ( )

A. Thomson’s cathode-ray experiment
B. Rutherford’s gold foil experiment
C. diffraction of electrons
D. the photoelectric effect

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The electrons in which subshell experience the largest effective nuclear charge in a multielectron atom? ( )

A. 4s
B. 4p
C. 4d
D. 4f

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What is the approximate ratio of the effusion rates between O2 and H2 gas? ( )

A. 16:1 B. 4:1 C. 1:4 D. 1:16

Electrons are lost by the ( )

How many orbitals are there in the n = 6 shell of an atom? ( )

Which experiment shows the particle property of the electromagnetic radiation? ( )

The electrons in which subshell experience the largest effective nuclear charge in a multielectron atom? ( )

A. 16:1
B. 4:1
C. 1:4
D. 1:16