4. Use electronegativity difference to determine if the elements below will form nonpolar covalent bonds, polar covalent bonds or ionic bonds. Show your work.
a. ithium and chlorine
d. Nitrogen and Oxygen
b. Oxygen and Phosphorus
e. Nitrogen and Sulfur
C. Germanium and chlorine
f. Nitrogen and Potassium

What is the mass of 0.46 mol of mgcl2

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point