Answer:
An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.
Answer: The "bleaching" of plant leaves is caused by air pollution.
An electron has a ( - ) charge and so if an atom gains one electron it gains a - charge
hope that helps
Pneumonia is caused when an H3 is positive to any form so therefore the answer would be the element of a pneumonia will be a positive 6392
