Seudónimo Seudónimo
  • 21-04-2021
  • Chemistry
contestada

UHHH helpppp maya cause uh she d.a.n.g d.u.m.b.

UHHH helpppp maya cause uh she dang dumb class=

Respuesta :

kmgonzalez2003
kmgonzalez2003 kmgonzalez2003
  • 21-04-2021

Answer:

17

Explanation:

the mass number of the element which is protons and neutrons is 17+18=35

electronic configuration is 2, 8, 7

valency of the element is 1 therefore the atomic number is 17

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alishashurul3
alishashurul3 alishashurul3
  • 21-04-2021
It’s ...............17
Answer Link

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