boron
atomic number: 5
number of electrons : 5
aluminum
symbol : Al
number of protons : 13
tin
number of electrons : 50
number of neutrons : 69
lead
atomic number : 82
number of protons : 82
silver
symbol : Ag
mass number : 107.86 // 108
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boron
atomic number: 5
number of electrons : 5
aluminum
symbol : Al
number of protons : 13
tin
number of electrons : 50
number of neutrons : 69
lead
atomic number : 82
number of protons : 82
silver
symbol : Ag
mass number : 107.86 // 108