ጥያቄ 1
የ12ኛ ክፍል ኬሚስትሪ መግቢያ ፈተና፣ 2018 ዓ.ም. (2026)
Which of the following sub atomic particle is used to determine chemical properties of elements?
- A.proton
- B.electron
- C.Nucleus
- D.Neutron
መልሱን እና ማብራሪያውን ይመልከቱ
መልስ፦ B electron
ለምን
Electrons, particularly valence electrons in the outermost shell, are involved in chemical bonding and reactions, and therefore determine the chemical properties of elements.


