Atom - It is the fundamental building unit of matter., proton - Positively charged particles found inside the nucleus of an atom, Atomic number - It is the no. of protons in the nucleus of an atom., Mass no - It is the sum of numbers of protons & neutrons in the nucleus of an atom.,

Bestenliste

Visueller Stil

Einstellungen

Vorlage ändern

Soll die automatisch gespeicherte Aktivität wiederhergestellt werden?