An electron can be added to a halogen atom to form a hali...
An electron can be added to a halogen atom to form a halide ion with
2 valence electrons
3 valence electrons
7 valence electrons
8 valence electrons
Correct answer is D
No explanation has been provided for this answer.
Which of the following products of biotechnology can be used as a fuel in place of petrol? ...
What is the atomic number of Calcium? ...
In the experiment above, X is a mixture of nitrogen, carbon (IV) oxide and ...
Which of the following pollutants is associated with brain damage? ...
Which of the following gases contains the least number of atoms at s.t.p? ...
What is the chemical symbol for Copper? ...