Chemistry A H032: Atoms, compounds, molecules and equations Topical Past Paper Questions
OCR AS Chemistry A (H032) past-paper questions on Atoms, compounds, molecules and equations, free. This topic is frequently examined across 5 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
This question is about periodicity and the reaction of some Group 2 metals. (a) Periodicity is the repeating trend in properties of elements across different periods in the periodic table. (i) Complete the table below with the electron configurations and blocks. (ii) Use your ans…
I his question is about some elements in Period 3 and compounds they form. (a) A student adds a small piece of calcium to a beaker containing an excess of water. (i) Construct the equation for the reaction and predict one observation that the student would make. Equation ..... [2…
2-Chloro-2-methylpropane, $ (CH_{3})_{3}CCl $, is an organic liquid with a boiling point of $ 50^{\circ}C $. A student prepares $ (CH_{3})_{3}CCl $ by reacting 2-methylpropan-2-ol, $ (CH_{3})_{3}COH $, with concentrated hydrochloric acid. (a) Write a balanced equation for this re…
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