10 th, Sci.I,Periodic classification of elements I. ▬▬▬۩۞۩▬▬▬ рдЖрдкрд▓्рдпा рдоाрд╣िрддी рд╡िрдЬ्рдЮाрдиाрдЪी ЁЯО╖ рдпा What's App рд╕рдоूрд╣ाрдд рд╕ाрдоीрд▓ рд╣ोрдг्рдпाрд╕ाрдаी рдЦाрд▓ीрд▓ рдиिрд│्рдпा рд▓िंрдХрд▓ाЁЯФЧ рд╕्рдкрд░्рд╢ рдХрд░ाЁЯСЗ рдоाрд╣िрддी рд╡िрдЬ्рдЮाрдиाрдЪी ЁЯО╖ ▬▬▬۩۞۩▬▬▬ As we grown up, we forget the definition and some terms or do not fully/ totally understand the exact meaning of those words. Today's main objective is to increase basic chemistry knowledge with gradual study . In science meaning of unchangeable terms are useful in day today life . ЁЯО╗ Definition of element :- Element is a substance that cannot be broken down into simpler substances by chemical means. Element is also defined as a pure substance made up of only one kind of atom which can't be split up into two or more substance. Ex. Silver Ag , Chlorine Cl ~*◄⏤͟͞✥➳ ЁЯк╖ Atom :- An atom is the basic building block. Atom is the smallest unit of matter that has the characteristic properties of an element. In the nucleus of atom positively charged protons p and ne...
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