Use the periodic table to answer the questions: which is the correct electron configuration for sodium (na)? 1s22s22p62d1 1s22s22p63s1 1s22p63d3

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.