how do you use the terms Electron Shielding Effect and Effective Nuclear Charge, to make a statement about atomic radius trends within a group AND period in the periodic table?

Which term best describes the form sound takes as it travels away from a drum (a- gas)(b-music) ( c-waves) (d-particles

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Geothermal energy for industrial use is available almost anywhere. a.true b.false