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Science
B. Determine the number of subatomic particles of the following atoms or ions. Fill out the table provided accordingly.
Atom/ion Electron Proton Neutron
Al
Fe
Cu
Mg
La
Pb
Ar
Ne
Sr
Br

Answer :

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Atom/ion Electron Proton Neutron
Al 13. 13. 14.
Fe 26. 26. 30.
Cu 29. 29. 35
Mg 12. 12. 12.
La 57. 57. 82
Pb 82. 82. 126.
Ar 18. 18. 22
Ne 10. 10. 10.
Sr 38. 38. 52
Br. 35. 35. 44

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