The diagram shows the electron configuration of an atom of an element for the electrons in the s and p orbitals.
what is the group number of the element in the periodic table?
1
2
13
15

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

What substance has a mass of 9.5g and volume of 2.1cm^3