O Level Chemistry e-Book's MCQs - Complete
Proton and Nucleon Number App's Quiz & e-Book Download - 290
Apps:
MCQ:
If the proton number is 19, the electron configuration will be
- 2,8,7
- 2,8,18
- 2,8,8,1
- 2,8,8,3
c
O Level Chemistry App & e-Book Tests PDF Download
Save Energy and O Level Chemistry Test 301
Chemical Reaction and Factor Affecting Test 302
Electrolyte and Non Electrolyte Test 303
Change of State Test 304
Chemical to Electrical Energy Test 305
Periodic Table and O Level Chemistry Test 306
pH Scale and Acid and Alkali Test 307
Strong and Weak Acids Test 308
Paper Chromatography Test 309
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O Level Chemistry MCQs eBook Download
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