Why does the bottled water get colder as it sits in ice water? Explain using the idea of heat transfer and thermal equilibrium.

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

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.