feleketadesse446 feleketadesse446

22-01-2022
Chemistry

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platinum has a mass number of 195 and contain 74 electron. how many proton and neutrons does it contain?

Respuesta :

babcon1986 babcon1986

22-01-2022

Answer:

...

Explanation:

p is equal to atomic number so p=74

electron also equal to atomic number if it doesn't have charge so electron =74

neuralon=atomic mass -atomic number so 195-74=121is neutron

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