Cambridge Lower Secondary Checkpoint Stage 9 Chemistry

Cambridge Lower Secondary Checkpoint Stage 9 Chemistry

Resource Contents:

• Topic questions for Chemistry come  with mark schemes.
• These include many questions from Cambridge Lower Secondary Exams as well as Additional  Exam-Style Practice Questions
• The questions are mapped to  your  curriculum to give you application based question practice.
• All Questions come with mark schemes.
• The course is also  ideal as a " Pre-IGCSE  Course', ensuring that your IGCSE journey begins on a much easier note. 
• Cambridge Lower Secondary  Checkpoint Exam  Questions  from some of the past papers will also be included gradually.

Syllabus Details:

• Understand that the structure of the Periodic Table is related to the atomic structure of the elements and the Periodic Table can be used to predict an element’s structure and properties.
•  Understand that a molecule is formed when two or more atoms join together chemically, through a covalent bond.
• Describe a covalent bond as a bond made when a pair of electrons is shared by two atoms (limited to single bonds).
• Describe an ion as an atom which has gained at least one electron to be negatively charged or lost at least one electron to be positively charged.
• Describe an ionic bond as an attraction between a positively charged ion and a negatively charged ion.
•  Understand that the groups within the Periodic Table have trends in physical and chemical properties, using group 1 as an example.
•  Describe how the density of a substance relates to its mass in a defined volume
•  Calculate and compare densities of solids, liquids and gases
• Know that elements and compounds exist in structures (simple or giant), and this influences their physical properties.
• Use word equations and symbol equations to describe reactions (balancing symbol equations is not required).
• Identify examples of displacement reactions and predict products (limited to reactions involving calcium, magnesium, zinc, iron, copper, gold and silver salts).
• Describe how to prepare some common salts by the reactions of metals with acids, and metal carbonates with acids, and purify them, using filtration, evaporation and crystallisation.
• Describe the effects of concentration, surface area and temperature on the rate of reaction, and explain them using the particle model.
• Understand that in chemical reactions mass and energy are conserved.

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