I85PREP
⌘ K
CAPE Chemistry Unit 1 study materials
CAPE Chemistry Unit 1 study resources

CAPE Chemistry Unit 1 study guide

CAPE Chemistry Unit 1 · Work through your exam, one topic at a time.

The Caribbean Advanced Proficiency Examination (CAPE®) is a post-secondary qualification administered by the Caribbean Examinations Council (CXC®), the regional body whose headquarters are at Prince Road, Pine Plantation Road, St. Michael BB11091, Barbados, with a Western Zone Office at Caenwood Centre, 37 Arnold Road, Kingston 5, Jamaica. CAPE® is listed by CXC® among its qualifications and assessments alongside CPEA, CCSLC, CVQ, CSEC® and CAPE Associate Degrees, and CXC® publishes syllabuses and standards for its subjects; the source page does not enumerate Unit 1 chemistry content domains, so candidates should obtain the current official syllabus and subject reports for the precise topic list. CAPE® is intended for students who have completed secondary-level study and want advanced, pre-university depth in a subject, typically taken in the final school years and used for matriculation and articulation. CXC® publishes articulation agreements and recognition-of-services information relevant to how results are accepted. Preparation should centre on the official syllabus and standards, past examination practice through CXC® materials, and school-based assessment work completed under the reformed SBA framework CXC® has announced. Topics on this exam: Chemistry (CAPE Unit 1 content domains not enumerated in source). The CAPE Chemistry Unit 1 study guide has 1 section and about 494 words.

01

CAPE Chemistry Unit 1: Structure, Periodicity, Energetics, Kinetics and Equilibrium

CAPE Chemistry Unit 1 tests your ability to move between three representations of matter - symbolic equations, particulate models and quantitative data - across atomic structure, bonding, periodicity, energetics, kinetics and equilibrium. Questions are usually structured: a data stem, then a calculation, then an explanation carrying the heaviest marks. Across a period, increasing nuclear charge with roughly constant shielding contracts atomic radius and raises first ionisation energy. Down a group, the outer electron occupies a higher shell, so shielding increases and ionisation energy falls.

494 words, about 2 min

More study resources for CAPE Chemistry Unit 1

  • Practice questionsAn element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁴.
  • FlashcardsAvogadro constant. The number of particles (atoms, molecules or ions) in one mole of a substance, equal to 6.02 × 10^23 mol⁻¹.
  • Cheat sheetMole concept: n = m/M; for gases at STP (273 K, 1.01×10^5 Pa), 1 mol occupies 22.4 dm³; at RTP (298 K, 1 atm) it occupies 24.0 dm³.
  • Key termsRelative atomic mass (Ar). The weighted average mass of the naturally occurring atoms of an element compared with one-twelfth the mass of a carbon-12 atom.
  • Study planDefine and apply the mole concept, Avogadro constant, molar mass and molar volume, and convert between mass, moles, particles and gas volume at STP and RTP.
  • Common mistakesCandidates memorise the 'aufbau' arrow order but do not understand that 4s has lower energy than 3d for neutral atoms, and they then write configurations in energy-filling order rather than in principal-quantum-number order.
  • Exam-day guideBring the government-issued photo identification and any entry slip or candidate number your school or examination centre issued.