ICSE /Class 7
Chemistry MCQ Based On Definining atoms molecules and radicals
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ICSE Class 7 Chemistry Definining atoms molecules and radicals
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The atomic number identifies the element.
Same as a central part of a cell.
neutrons are chargeless particles.
electron revolves around the nucleus in shells.
Center
protons lie inside the nucleus of the atom
sum
related to a compound.
Positively charged radicals are called basic radicals such as Na+, NH4+ etc.
Fundamental unit.
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