Describe what is happening to the density of the aqueos solution as salt is being added

If a || b and e || f, what is the value of y ?

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.

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen