Which statement describes a periodic trend of first ionization energy? O A. It tends to decrease from left to right across a period.
B. It remains the same within a period.
O C. It tends to increase from top to bottom of a group.
D. It tends to decrease from top to bottom of a group.

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

If two objects at different te,peraure are in contact with each other what happens to their temperature