Respuesta :

Name: Tin

Symbol: Sn

Atomic Number: 50

Atomic Mass: 118.71 amu

The atom of the element contains mass number of [tex]119 amu.[/tex]

  • The mass number of an atom can be regarded as  atomic mass number, this is expressed as the total number of protons as well as neutrons that is present in atomic nucleus.

[tex]given number if neutrons= 69given number of protons= 50[/tex]

  • Then mass number can be expressed as the addition of both proton and neutron which is

[tex]= ( 69+50)= 119 amu[/tex]

Therefore, the atom of the element has a mass number of  [tex]119 amu[/tex]

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