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  • 22-01-2019
  • Chemistry
contestada

What is the atomic number of the element in Group 4A, and Period 5?

a. 68
b. 131
c. 222
d.462

Respuesta :

Аноним Аноним
  • 22-01-2019

Tin

Metals  

Group 4A, Period 5

Atomic mass 118.71

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