Arrange the following pairs from strongest to weakest attraction: a) polar molecule and polar molecule
b) nonpolar molecule and nonpolar molecule
c) polar molecule and ion
d) ion and ion
1. d, a, c, b.
2. c, d, a, b.
3. b, a, d, c.
4. None of these
5. b, c, a, d.
6. a, b, c, d.
7. d, c, b, a.
8. b, a, c, d.
9. d, c, a, b

Read the given expression. x = number of protons − number of core electrons which of the following explains the identity of x and its trends across a period? x is the effective nuclear charge, and it remains constant across a period. x is the screening constant, and it remains constant across a period. x is the effective nuclear charge, and it increases across a period. x is the screening constant, and it increases across a period.

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.