evolution of atomic model

  • John Dalton pictures of tiny indestructible atoms with no internal structures

  • J.J Thompson discovers electrons he pictures electrons in a sphere of positive electracal charge

  • Hantaro suggest that atom have a nucleus and have electron move around it

  • Ernest discovers that atoms have small dense positively charged nucleus

Plan projects on a visual timeline

Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.