Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Bond and Molecular Structure
An ionic bond is formed by ______.
1
Attraction of oppositely charged ions
2
The combining atoms lose electrons
3
Two metallic elements react
4
More than one of the above
5
None of the above