Which sublevels contain valence electrons in an atom of argon (ar)? a. 3s and 3p b. 3s and 2p c. 4s and 3p d. 2s and 3d

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

Helium decays to form lithium. which equation correctly describes this decay?

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?