Which is classified as nonpolar covalent? 1. hydrogen and iodine
2. carbon and sulfur
3. hydrogen and chlorine
4. nitrogen and hydrogen

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

During which time interval does the object travel approximately 10 meters

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.