Conserved - In a chemical reaction, mass is, Squeaky pop test - The test for hydrogen gas, Relight a glowing splint - The test for oxygen gas, Activation - The energy required for a reaction to happen, Positive ions - Metal atoms form, Negative ions - Non metal atoms form, Allotropes of carbon - Diamond and graphite are, Intermolecular forces - Weak forces of attraction, Ionic bonds - Electrostatic forces of attraction, Covalent bonds - Pairs of shared electrons,

Year 12 Key facts OCR Chemistry 1

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