Subsection 2.3. Isotopes for Chemistry, O Level - revisedeck

2.3. Isotopes

A subsection of Chemistry, 5070, through 2. Atoms, elements and compounds

Listing 10 of 31 questions

Which statement about the isotopes of bromine is correct?

5070_w23_qp_12

MCQ

2023

Paper 1, Variant 2

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The formulae for two ions are given. – 34 X – 34 X Which statement is correct?

5070_w24_qp_11

MCQ

2024

Paper 1, Variant 1

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The symbols for two ions are shown...

5070_s16_qp_11

MCQ

2016

Paper 1, Variant 1

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Element X can be represented by the symbol 14 6X. Which statements about an atom of element X are correct?

5070_s22_qp_12

MCQ

2022

Paper 1, Variant 2

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Two isotopes of chlorine are 35Cl and 37Cl. Using these isotopes and 12C and 1H, how many different relative molecular masses are possible for the compound with molecular formula C2H3Cl 3?

5070_s22_qp_11

MCQ

2022

Paper 1, Variant 1

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Two isotopes of chlorine are 35Cl and 37Cl. Using these isotopes and 12C and 1H, how many different relative molecular masses are possible for the compound with molecular formula C2H3Cl 3?

5070_s22_qp_12

MCQ

2022

Paper 1, Variant 2

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What is the dot-and-cross diagram for NCl 3?

5070_w18_qp_11

MCQ

2018

Paper 1, Variant 1

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Naturally-occurring bromine has a relative atomic mass of 80 and consists entirely of two isotopes of relative atomic masses 79 and 81. What can be deduced about naturally-occurring bromine from this information only?

5070_s13_qp_11

MCQ

2013

Paper 1, Variant 1

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Naturally-occurring bromine has a relative atomic mass of 80 and consists entirely of two isotopes of relative atomic masses 79 and 81. What can be deduced about naturally-occurring bromine from this information only?

5070_s13_qp_12

MCQ

2013

Paper 1, Variant 2

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Naturally occurring bromine has a relative atomic mass of 80 and consists entirely of two isotopes of relative atomic masses 79 and 81. What can be deduced about naturally occurring bromine from this information only?

5070_s23_qp_12

MCQ

2023

Paper 1, Variant 2

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Questions Discovered

31