1) This is a negatively charged particle found outside the nucleus a) electron b) proton c) charm d) strange 2) The first person to propose a theory about an atom was a) Dalton b) Democritus c) Rutherford d) Aristotle 3) What scientist is best known for his "Plum Pudding" model of the atom? a) j.j. Thomson b) Dalton c) Ernest Rutherford d) Democritus

Bestenliste

Visueller Stil

Einstellungen

Vorlage ändern

Soll die automatisch gespeicherte Aktivität wiederhergestellt werden?