Which concept can explain the acitic character of `CO_(2)` ?

(a) What is the Lewis concept of acids and bases? (b) Name three species which can cat as Lewis acids and Lewis bases. (C) How does Lewis concept explain the acidic character of CO_(2) and basic character of NH_(3) ?

How does Lewis theory explain the acidic character of CO_(2) ?

Which can show aromatic character ?

Explain the concept of Heat

Explain the concept of element.

Explain the concept of a capacitor.