Choose the elements whose atoms you expect to have greater shielding effects? (i) Be or Mg
(iii) F or Cl
(ii) C or Si
(iv) B or Al
with full explanation

Which statement is true about ionic compounds?

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

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