Answer:
A
Explanation:
A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms. These electrons are simultaneously attracted by the two atomic nuclei. A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions.
Answer:
Its a necessity for all living things
Explanation:
I think the answer is c) but I’m really not sure
Answer:
A chemical formula tells us the elements included in the compound. The letters in the chemical formula represent different elements.