Quelpr
5 marksFirst Row Transition Elements

CAPE Chemistry Unit 1 · 2021 · Paper 2 · Question 3(a)(i)

Table 2 provides information on first ionization energy, atomic radii, electronic structure and oxidation state for Group II elements and first row transition elements.

Complete Table 2 by inserting the missing electronic structure (ES) and the oxidation state (OS) for EACH element listed.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)(ii)Explain the difference between the trend of the first ionization energy for the Group II elements and the first row transition elements.[4 marks]
  2. 3(b)(i)Account for the difference in oxidation state between vanadium and calcium.[4 marks]
  3. 3(b)(ii)Comment on the observation that calcium carbonate is more thermally stable than magnesium carbonate.[2 marks]
  4. 3(c)(i)Explain the observation in terms of the stability constant of the complex ion formed.[3 marks]
  5. 3(c)(ii)Write a balanced equation for the reaction occurring when concentrated HCl is added to a pink solution of cobalt(II) chloride.[2 marks]
  6. 3(d)(i)Complete Table 3 to show the observations expected for EACH of the tests on ammonium vanadate.[5 marks]
  7. 3(d)(ii)Write the formula of the species formed which is responsible for EACH colour observed in (d)(i) in Table 3.[5 marks]

More practice: the rest of this paper · more First Row Transition Elements questions · all CAPE Chemistry Unit 1 past papers