Which elements in the fourth period (the row starting with potassium, K) have three, and only...
Part A List all the elements that have a ground-state configuration with five unpaired electrons in the 3d subshell. 0 Cr and Mn Mn, Fe, Co, Cu, and Zn 0 Cr O Mn Submit Request Answer rovide Feedback
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21. Which of the following fourth-row elements could be "x" in the below ion? a. Ge b) As Se d) Kr e ) none of these 2- o=*:
21. Which of the following fourth-row elements could be in the below ion? a. Geb ) As Se d) Kre ) none of these 2- 22. Consider a molecule with the below connections. When a valid electron dot structure is written, how many double bonds and how many unshared electrons will the molecule contain? 00 -0-0-0-0-H Double bonds: Unshared electrons: 23. The plastic explosive C4 contains the molecule cyclotrimethylenetrinitreamine (commonly called RDX for Royal Demolition explosive). The molecule is shown...
3. mer How many electrons in an atom can have each of the following quantum designations! 2 fourth period and forbital C. -41-3m--12 d. 3p 4. (pt) Why does the size of atoms increase going down a group on the periodic table? 5. (pt) What is a quanta of energy? 6. (pt) How does an atom generate atomic emission spectra? 7. (pt) Rank the following in order of increasing first ionization energies Ge, K. C S and Si X (pt...
Which element has the ground-state electron configuration [Xe]6s25d14f7? Eu Tb Pt Gd How many valence electrons does a neutral polonium atom have? 4 6 2 84 Of the following, which atom has the largest atomic radius? Cr Sc Co Br Of the following, which atom has the smallest atomic radius? Po Ba Te Sr Of the following, which atom has the smallest atomic radius? Br K Co Ni
The Periodic Table of Elements He B CNOFNe Al Si PS CI Ar K Ca ScT V Cr Mn Fe Co Ni Cu Zn Ga Ge As SeBr Kr Rb Sr YNbM Ru Rh Pd Ag Cd In n Sb TXe Hf Ta W Re Os r Pt Au Hg T PbBi Po At Rn Li Be Cs Ba Fr Ra Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Lu What is the configuration for the valence...
20. An atom of which of the following elements has the smallest ionization energy? A. CI C. Si B. P DS 21. An atom of which of the following elements has the largest second ionization energy? A. Cs С Ро B. Pb D. Ba Q89. 22. Which of the following forms the most stable anion in the gas phase? A. CI (electron affinity -349 kJ/mol) B. S (electron affinity = -200 kJ/mol) CO (electron affinity = -141 kJ/mol) D. C(electron...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements listed below would the elements have most nearly the same atomic radius? A) Na, K. Rb, Cs B)F, CI, Br.I C) Na, Mg. Al, Si D) Sc, Ti, V, Cr E)B, Si, As, Te Which of the following properties, in general, increases from left to right across a period in the periodic table? A) ionic charge 11、 B) atomic radius C) density D) ionization...
Не 1 H C N O F Ne В 2 Li Вe Si P S Ar Al Na Mg 3 Se Br Kr Cu Zn Ga Ge As Cr Mn Fe Co Ni 4 K Ca Sc Ti V Sn Sb Te I Ru Rh Pd Ag Cd In Zr Nb Mo Tc Rb Sr Y $5 Po At Pb Bi Hf Ta W Rn Re Os Ir Hg T Pt Au 6 Cs Ba La Ra Ac Fr Tm...
1. Determine the number of Infrared and Raman active bands for the following compounds. В С. A B с В (a) (b) 2. a) Build the molecular orbital energy diagram for the following molecules, O 2 ,02+ and O 2 -. b) Calculate the bond order for the three molecules, and justify which one is more stable. 3. How many unpaired electrons would you expect for the following complexes: [CoCle], [Cr(NHs)e]9 and [Cr(H2O)e3? 4. KMnO4 was expected to show no...