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Of the elements: Li, Na, K, Rb, and Cs, the element with the most metallic character...
1 a) Rank the following elements in order of increasing metallic character (from least metallic to most metallic): Be, Na, Li, O, Cs B) Rank the following elements in order of increasing metallic character (from least metallic to most metallic): Ne, K, Mg, Rb, N
Rank the following elements in order of increasing metallic character (from least metallic to most metallic): Ne, K, Mg, Rb, N 2. Which of the following groups of elements all have 7 valence electrons? Select one: Li / Na / K / Rb N / P / As / Sb C / Si / Ge / Sn F / Cl / Br / I B / Al / Ga / In O / S / Se / Te
Please answer the following. To. Arrange the following elements K. Cs. Sr. Ca, Ba and Li in order of increasing lonisation Energy 19. Arrange the following elements K, Cs, Sr, Ca, Ba and Li in order of increasing Radius Atomic size 20. Arrange the following elements K, Cs, Sr, Ca, Ba and Li in order of increasing Electronegativity 21. Arrange the following elements Rb, H, Be, Na, Cs and Ca in order of decreasing Radius Atomic size 22. Arrange the...
1) Most metallic element: A) Li or Be B) Be or Mg c) Al or K 2) Most acidic: A) Na2O or Cl2O7 B) BaO or As2O5 3) Stronger reducing agent: A) Al or Mg B) Na or K C) Br- or Cl- Please explain why, thank you.
3. The 1st ionization energy of group 1 elements are shown below. Element IE1 (eV) 5.2 Na 5.1 4.3 Rb Cs Fr Element 119 4.2 3.9 4.1 4.9 (calculated) (a) (2 points) Rationalize the decrease observed on moving from Li to Cs. b) (2 points) Rationalize the increase observed on moving from Cs to Element 119.
14. Identify the isoelectronic elements/ions a) F–, Cl–, Br–, I– b) Li, Na, K, Rb d) Ti2+, Cr2+, Fe2+, Cu2+ e) As3–, Se2–, Rb+, Sr2+ h) Both “c” and “d” c) P3–, S2–, Br–, Rb+ f) B, C, N, O g) Both “a” and “b” h) Both “c” and “d”
Rank the following elements in order of decreasing metallic character (from most metallic to least metallic): Sr, Rb, Mg, F, Cl
Calculate the second ionization energy for group 1 elemets Li Na K Rb Cs Fr
Part C The metallic character of an element is defined as the properties typical of a metal, especially the tendency to lose electrons in chemical reactions. Arrange the following elements in order of decreasing metallic character. Rank from most to least metallic character. To rank items as equivalent, overlap them. Cs, P, Cr, F, Zn, S, Ca
Select the most accurate ranking of metallic character among the elements. O Ar < Cu < Mn = Ru < Cs O Bi < Pd < Si < Y = Sc Re< W< Ac < Sc< Fe O Zn< s < Ru = Mn<K