I love cats. Three of the main reasons are:
They are good listeners. They have the most expressive faces. They know when you need a little extra cuddle.
The best answer of the choices provided is the 'F', for 'False'.
A physical change does not create a new substance, and is reversible.
Answer:
i am not sure as far as i am concerned
ionic bond is a chemical bond formed by transferring of electrons from the valance shell of metal to valance shell of non metal
so from here the correct answer will be answer C Ca3N2
Explanation:
ionic bond is a chemical bond formed by transferring of electrons from the valance shell of metal to valance shell of non metal
and in Ca3N2 calcium is a metal which lies in group IIA and Nitrogen is a non metal which lies in group VA