Podcast
Questions and Answers
Which element has the atomic number 37?
Which element has the atomic number 37?
- Rubidium (correct)
- Scandium
- Strontium
- Potassium
What is the atomic number of Bismuth?
What is the atomic number of Bismuth?
- 83 (correct)
- 75
- 51
- 70
Which element is represented by the symbol 'P'?
Which element is represented by the symbol 'P'?
- Nitrogen
- Potassium
- Polonium
- Phosphorus (correct)
Which of the following elements has the greatest atomic number?
Which of the following elements has the greatest atomic number?
What is the overall energy change for the reaction?
What is the overall energy change for the reaction?
What does the 'kJ/mol' unit in the text refer to?
What does the 'kJ/mol' unit in the text refer to?
What does UCLES stand for in the text?
What does UCLES stand for in the text?
Where can the Copyright Acknowledgements Booklet be freely downloaded?
Where can the Copyright Acknowledgements Booklet be freely downloaded?
What is the chemical equation for the reaction occurring in stage 3?
What is the chemical equation for the reaction occurring in stage 3?
What substance reacts with oleum in stage 4?
What substance reacts with oleum in stage 4?
What is the formula of hydrogen sulfide?
What is the formula of hydrogen sulfide?
How is ethanoic acid manufactured?
How is ethanoic acid manufactured?
What is the relative charge of a neutron?
What is the relative charge of a neutron?
How many protons are present in a 12Mg isotope?
How many protons are present in a 12Mg isotope?
Why do magnesium ions have a charge of 2+?
Why do magnesium ions have a charge of 2+?
Which particle has the same electronic structure as Mg2+ ions?
Which particle has the same electronic structure as Mg2+ ions?
