JAMB - Chemistry (1987 - No. 28)
The atomic numbers of two elements X and Y are 12 and 19 respectively. The bond of these two elements is?
ionic
covalent
Metallic
co-ordinate
Giải thích
- Both elements are Magnesium and Potassium respectively
- In general, covalent bonds form between nonmetals, ionic bonds form between metals and nonmetals, and metallic bonds form between metals.