Question

Give answer in one word :-

1) Number of electrons lost , gained or shared = ___________

2) Number of electrons lost , gained by atom = _____________

3) Number of electrons shared by an atom = ___________.
give 2 example of positive electrovalency and Negative electrovalency

give the answer now please it's aurgent .​

Answer 1

Answer:

1) valence electrons

2) valency

3) covalent bonds