Seudónimo Seudónimo

21-04-2021
Chemistry

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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

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

21-04-2021

It’s ...............17

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