Draw lewis structures for each of the following molecules. show resonance structures, if they exist

Compare and contrast physical changes with chemical changes.

Why is the structure of molecule important to its function?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided