Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 3

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Which statements about the isotopes of chlorine, ${}_{17}^{35}{Cl}$ and ${}_{17}^{37}{Cl}$ , are correct?

I. They have the same chemical properties.

II. They have the same atomic number.

III. They have the same physical properties.

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Important Questions on Atomic Structure

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 4

A sample of element $X$ contains $69 %$ of ${}^{63}X$ and $31 %$ of ${}^{65}X$ . What is the relative atomic mass of $X$ in this sample?

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 5

What is the relative atomic mass of an element with the mass spectrum shown in figure?

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 6

Which is correct for the following regions of the electromagnetic spectrum?

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 7

In the emission spectrum of hydrogen, which electronic transition would produce a line in the visible region of the electromagnetic spectrum?

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 8

Which describes the visible emission spectrum of hydrogen?

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 9

What is the order of increasing energy of the orbitals within a single energy level?

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 10

What is the condensed electron configuration for

{Co}^{3 +}

?

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Oxford IB Diploma Programme Chemistry Course Companion>Chapter 2 - Atomic Structure>Questions>Q 11

Draw and label an energy level diagram for the hydrogen atom. In your diagram show how the series of lines in the ultraviolet and visible regions of its emission spectrum are produced, clearly labelling each series.