4.1 Understand that all matter is made of atoms, with each different... - Check yourself
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Unit 4 of 12
Start the first lesson Chemistry 01. Materials And Their Structure
CHECKPOINT – Lower Secondary Science 0893 · 12 lessons · 12 quizzes
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4.2 The Rutherford model of the atom - Check yourself
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4.3 Know that electrons have negative charge, protons have positive... - Check yourself
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4.4 Understand that a molecule is formed when two or more atoms join... - Check yourself
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4.5 Describe a covalent bond as a bond made when a pair of electrons is... - Check yourself
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4.6 Ions are atoms that have gained or lost electrons to become charged - Check yourself
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4.7 Describe an ionic bond as an attraction between a positively... - Check yourself
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4.8 The Periodic Table orders elements into metals and non metals its... - Check yourself
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4.9 Describe the differences between elements, compounds and mixtures,... - Check yourself
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4.10 Describe the three states of matter as solid, liquid and gas in... - Check yourself
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4.11 Know that purity is a way to describe how much of a specific... - Check yourself
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01. Materials And Their Structure - Unit check
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