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🧪 Atomic Structure and the Periodic Table

Spec 4.1 Paper 1 📙 Higher

📋 Subtopics — click any to open full notes

Atoms, Elements and Compounds Spec 5.1.1.1 +

Mixtures and Separation Techniques Spec 5.1.1.2 +

Development of the Model of the Atom Spec 5.1.1.3 +

Subatomic Particles Spec 5.1.1.4–5.1.1.5 +

Relative Atomic Mass, Atomic Number and Isotopes Spec 5.1.1.6 +

Electronic Structure Spec 5.1.1.7 +

The Periodic Table Spec 5.1.2.1 +

Development of the Periodic Table Spec 5.1.2.2 +

Metals and Non-metals Spec 5.1.2.3 +

Group 0 — Noble Gases Spec 5.1.2.4 +

Group 1 — Alkali Metals Spec 5.1.2.5 +

Group 7 — Halogens Spec 5.1.2.6 +

Properties of Transition Metals Spec 4.1.3.1–4.1.3.2 +

💡 Click a subtopic title or the + button to open the full notes, quiz and examples.

📐 Key Equations

Mass number = protons + neutrons

Atomic number = number of protons

⭐ Higher Tier Content

Electronic structure of first 20 elements

Predicting properties from group trends

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