decreasing electron affinity:a. Mg, P, Cl b. Br, I, Cl

Which pair of elements would you expect to have the most similar atomic radii, and why?a. Si and Gab. Si and Gec. Si and As

Arrange the elements in each of the following groups in order of increasing electron affinity ( more negative value):     a. B, C,N, O, F  b. F, Cl, Br, I.

Atomic radius generally increases as we move __________. Group of answer choices up a group and from right to left across a period down a group and from right to left across a period down a group and from left to right across a period down a group; the period position has no effect up a group and from left to right across a period

Pick the element with the higher first ionization energy . Al orS   B. As or Sb   C, NorSi  d. O or Cl Sn or I  B. Ca or Sr  C. C or P   d, F or S

Which one of these ions is not isoelectronic with Kr? Select one: + а. Rb b. Br 2- C. Se 3+ d. As 2+ e. Sr

Give each electron configuration. a. The box notation for phosphorus, P. b. The full spdf notation for titanium, Ti. c. The Noble Gas abbreviated electron confinmation for copper(I), Cu*