Dr. Zeyad Etman · Chemistry
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Dr. Zeyad Etman — Chemistry, with ZAC Centre.
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🏛️ ZAC Centre · 📞 +20 120 104 9913 · v3
S2.1 · Ionic Model
Na+
Na⁺Cl⁻
Cl–
S2.2 · Covalent Model
H
H–H
H
two ways atoms bond — a look at how topics are explained inside
NOT ENROLLED YET?
What's included once you're enrolled
- Topics from both IB strands — Structure and Reactivity — added as they're finished
- Classified past papers, viewed in the portal alongside their mark schemes
- Notes and practice papers written for the IB syllabus
- Face ID / fingerprint sign-in on your own device after your first sign-in
STRUCTURE
1/11 liveS1 — Models of the Particulate Nature of Matter 1/5 live
Notes
🔒Paper 1
🔒Paper 2
🔒Question paper
🔒Answer key
🔒Portal access comes with enrollment — your teacher adds your email once you're in.