https://padlet.com/laiaramendi/8xaiyxwttebemgca Everything is made of ATOMS. en-us 2023-02-09 11:07:12 UTC 2023-02-15 08:45:13 UTC hello@padlet.com https://padlet.net/icons/png/1f4a1.png laiaramendi https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474850471 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”. 

]]> 2023-02-09 11:19:53 UTC https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474850471 laiaramendi https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474854209 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).

]]> 2023-02-09 11:23:32 UTC https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474854209 laiaramendi https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474855599 He discovered negatively charged particles inside the atom (electrons). 

]]> 2023-02-09 11:24:58 UTC https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474855599 laiaramendi https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474856415 He proposed that in the center of the atom is positively charged part called the nucleus. He discovered the protons and nucleus. 

]]> 2023-02-09 11:25:52 UTC https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474856415 laiaramendi https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474857169 He improved on Rutherford's model. He proposed that electrons move around the nucleus in certain paths called energy levels. 

]]> 2023-02-09 11:26:35 UTC https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474857169 laiaramendi https://padlet.com/laiaramendi/8xaiyxwttebemgca/wish/2474858686 He proposed that electrons do not travel in definite paths around the nucleus.

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