Atom - A small particle that is the building block of matter, Chemical Formula - A group of chemical symbols and numbers that represent the elements and the number of elements that make up a compound elements, Chemical Symbol - One or two letters that represent an element, Compound - A substance containing two or more different elements connected together, Element - A substance that consists of only one type of atom, Molecule - Two or more atoms that are held together and act as a unit, Periodic Table - A chart of the elements arranged into rows and columns  according to their physical and chemical properties,

Atomic Structure

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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