Question

Deduceți numarul de protoni ,electroni si neutroni pentru:K_Z=19,A=40) Brom cu:Z=35,A=80)Aluminiucu:Z=13,A=27)Zinc cu:Z=30,A=65)Natiu cu:Z=11,A=23)Potasiucu:Z=15,A=31) Cupru cu:Z=29,A=64)Argint cu:Z=47,A=108)​

Answer 1

Răspuns:

Z=e¯=p+

A=Z+n⁰=>n⁰=A-Z

K: 19 p+, 20 n⁰, 19e¯

Br:35 p+, 45 n⁰, 35e¯

Al:13p+, 14 n⁰, 13e¯

Zinc:30p+, 30e¯,35n⁰

Na:11p+,11e¯,12n⁰

P:15p+,15e¯,16n⁰

Cu:29p+,29e,35n⁰

Ag:47p+,47e¯,61n⁰