Нэвтрэх
WAEC - Chemistry (2018 - No. 45)
The atomic number of an isotope of hydrogen is equal to its mass number because it
has a totally filled valence shell
has a high charge to mass ratio
does not contain neutrons
exhibits isotopy
Смхиман (0)
Сэтгэгдэл бичихийн тулд нэвтэрнэ үү
Сурталчилгаа
Javascript-д энэ хуудсыг зохих ёсоор ачаалахыг зөвшөөрнө үү
