Atomic Structure 0.0 / 5 ? ChemistryAtomsNational 5SQA Created by: catchirshadCreated on: 30-10-16 17:46 What is an atom? atom is a building block of everything 1 of 7 what is an ion? when atom loses or gains electron it becomes ion 2 of 7 what is an isotope atoms of same element with different mass number 3 of 7 what is di atomic molecule two atoms joined together with covelant bond 4 of 7 what are group 1 elements called alkalie metals 5 of 7 why an atom is neutral? atom is neutral because same number of electron and proton cancel each other 6 of 7 what is covelant bond? when two or more atoms join by sharing electrons, its called covelant bond. 7 of 7
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