Question

please answer all of the following questions. no work needs to be shown.

20) Place the following in order of increasing metallic character. Rb CsK Na A) Na < K Rb < Cs B) K <Cs < Rb < Na C)K < s < Na < Rb D) Cs < Rb<K <Na E) Na < Rb < Cs <K 21) A cation of 2 indicates that an element has A) lost two neutrons. B) lost two protons. C) gained two electrons. D) lost two electrons. E) gained two protons. 22) Place the following in order of increasing IE1. N F As A) F < N < As B) F < As < N C) As < F < N D) As < N < F EN <As <F 23) Give the ground state electron configuration for Pb. A) [Xe]6s25d106p2 B) [Xe]6s26p2 C) [Xe]6s25f146d106p2 D) [Xe]6s24f145d106s26p2 E) [Xe]6s24f145d106p2

Answer 1

sel Metallic aharacles doun the oup deareases anauer Na KSR6 > Cs anawer The element has lest two laok of +2 M anewer TE Tnizaten Ethalphy/ & 22 Mest NON MAhllic As N F ananer 14 d. (23 Ph-XeJ41 5ds69 Anewe /E