Give reasons for the increase in ionisation energy across a period in the table of elements.
Marks awarded for mention of outer most shells of electrons, shielding effects along side distance from nucleus of respective atoms as well as increased positive charge due to increased number of protons present in nucleus of larger atoms.
JS
Related Chemistry A Level answers
All answers ▸A compound, HOCH2CH2CH2CH2COCl, reacts with itself to give a new compound. Give the IUPAC name for the starting compound, draw the mechanism for the formation of the new compound and give the prominant feature of the IR spectrum of the new compound.
In transition metals, where does the formation of colour come from?
Explain what is meant by the term "rate of reaction".
State the qualitative tests to distinguish between halide ions in solution.