Member for
2 years 11 monthsAge: 13-18
Level: 9
Language: English
(en)
ID: 1466904
30/09/2021
Country code: US
Country: United States
Main content: Atoms (1872644)
From worksheet author:
identifying the number of subatomic particles
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![Protons, Neutrons, Electrons Protons, Neutrons, Electrons](/sites/default/files/styles/worksheet/public/def_files/2021/9/30/109301411022375124/109301411022375124001.jpg?itok=68TAmi5Z)