Covalent bonding (with an electronegativity difference below 0.5) results when fluorine bonds with
a. hydrogen.
b. fluorine.
c. potassium.
d. iodine

i think its b, but i wanted to make sure

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added