Wissam Yehya

Atomic Structure is the app that will help you get a good start in Chemistry.It covers the main concepts of electron arrangement, isotopes and relativ …

Why do you need to buy this App?If you are taking chemistry in your high school, if you are aiming to for 4s and 5s in your upcoming AP exam, if you h …

Three Apps in one.All the required GCSE and IGCSE Science main definitions in one app.All the main board exams in One APP!!EdexcelOCRAQACambridgeGCSE …

***** Number 1 App for IB Chemistry *****NEW!!!IB Chemistry definitions is universal now!!IB chemistry Definitions is the first App of its kind.Have y …

If you are looking for a game, Molecular Geometry is not for you!!! If you are looking for an app that solves your HW, Molecular Geometry is not for y …