16 Questions
Which element has the atomic number 37?
Rubidium
What is the atomic number of Bismuth?
83
Which element is represented by the symbol 'P'?
Phosphorus
Which of the following elements has the greatest atomic number?
Berkelium
What is the overall energy change for the reaction?
Not enough information provided
What does the 'kJ/mol' unit in the text refer to?
Kilojoules per mole
What does UCLES stand for in the text?
University of Cambridge Local Examinations Syndicate
Where can the Copyright Acknowledgements Booklet be freely downloaded?
What is the chemical equation for the reaction occurring in stage 3?
H2S + SO2 → S + H2O
What substance reacts with oleum in stage 4?
Hydrogen sulfide
What is the formula of hydrogen sulfide?
H2S
How is ethanoic acid manufactured?
By the reaction of methanol with carbon monoxide
What is the relative charge of a neutron?
0
How many protons are present in a 12Mg isotope?
12
Why do magnesium ions have a charge of 2+?
Due to the loss of 2 electrons
Which particle has the same electronic structure as Mg2+ ions?
Na+
This quiz provides a question related to calculating the overall energy change for a reaction in kilojoules per mole. Test your understanding of energy changes in reactions with this question from UCLES 0620/41/M/J/22.
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