vi. Write electronic configuration for the following elements. 28 a. 14 Si a b. 24 12 Mg C. 13 AL 27

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Tell me the iupac name of the following compounds: