https://padlet.com/anecendoya/gs4m0ey4399pnbpk everythink is made of atoms en-us 2023-02-14 11:06:42 UTC 2025-11-15 09:30:10 UTC hello@padlet.com https://padlet.net/icons/png/269b.png anecendoya https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2481604739 He proposed that matter could not be divided into smaller pieces forever. He said that matter was made of small, hard particles that he called “atoms”. 

]]> 2023-02-14 11:23:19 UTC https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2481604739 anecendoya https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483190767 He created the very first atomic theory. 
All substances are made of atoms. Atoms are small particles that cannot be created, divided, or destroyed. Atoms are invisible.
Atoms join together to make new substances (molecules).

]]> 2023-02-15 09:12:01 UTC https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483190767 anecendoya https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483192321 He discovered negatively charged particles inside the atom (electrons). 

]]> 2023-02-15 09:13:23 UTC https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483192321 anecendoya https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483193053 He proposed that in the center of the atom is positively charged part called the nucleus. He discovered the protons and nucleus. 

]]> 2023-02-15 09:14:12 UTC https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483193053 anecendoya https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483193960 He improved on Rutherford's model. He proposed that electrons move around the nucleus in certain paths called energy levels. 

]]> 2023-02-15 09:15:08 UTC https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483193960 anecendoya https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483194901 He proposed that electrons do not travel in definite paths around the nucleus.

]]> 2023-02-15 09:16:07 UTC https://padlet.com/anecendoya/gs4m0ey4399pnbpk/wish/2483194901