Which property determines an atom's ability to attract electrons shared in a chemical bond?
a. ionization energy
b. atomic radius
c. electronegativity
d. ionic radius

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

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