Concept explainers
(a)
Interpretation:
The type of orbital of ground state germanium atom from which an electron will be removed to form
Concept Introduction:
Electronic configuration: The electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals.
Electrons occupy the lowest energy orbitals. The increasing order of orbital energy is
The energy order of the orbital for the first three periods is as follows,
The orbital which is closer to the nucleus has lower energy; therefore the
In general, the orbitals can hold maximum of two electrons, the two electrons must have opposite spin.
The subshell ordering by Aufbau principle is given below,
(b)
Interpretation:
The type of orbital of ground state manganese atom from which an electron will be removed to form
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The type of orbital of ground state barium atom from which an electron will be removed to form
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The type of orbital of ground state gold atom from which an electron will be removed to form
Concept Introduction:
Refer to part (a).
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ACHIEVE/CHEMICAL PRINCIPLES ACCESS 1TERM
- just part Darrow_forwardDetermine the number of valence electrons and give the electronic confi guration of the valence electrons of each element: (a) nitrogen; (b) potassium.arrow_forwardDetermine the number of valence electrons and give the electronic confi guration of the valence electrons of each element: (a) fl uorine; (b) krypton; (c) magnesium; (d) germanium.arrow_forward
- Na +, K +, Ca 2 +, and Mg 2 + are the four major cations in the body. For each cation, give the following information: (a) the number of protons; (b) the number of electrons; (c) the noble gas that has the same electronic confi guration; (d) its role in the body.arrow_forwardWrite the electron configurations for (a) Ca2+, (b) Co3+, and (c) S2-.arrow_forward5) (a) Arrange the following substances in the order in which you would expect their boiling points to increase: CCI4, Cl, CINO, N,. Explain your answer. (b) Write the condensed electron configuration of mercury (Hg) and an orbital diagram for the electron configuration of tin (Sn).arrow_forward
- For each of the following pairs of hydrogen orbitals, indicate which is higher in energy: (a) 1s, 2s; (b) 2p, 3p; (c) 3dxy , 3dyz ; (d) 3s, 3d; (e) 4f, 5s.arrow_forwardNitrogen (N), phosphorus (P), and arsenic (As) are three elements that almost universally form ions with –3 charge when they form compounds with metals. First, (i) write the full and core electron configurations for N, P, and As. Then, using those configurations, (ii) explain why those three elements all form ions with the same charge.arrow_forwardCobalt (Co) is a paramagnetic element. Explain what makes an element paramagnetic? Give the correct condensed form (i.e. [noble gas]) electron diagram (use symbols x,o for electrons (x=spin up; o= spin down; {e.g. S: [Ne] 3s: xo 3p: xo x x }) for Co (Z = 27).arrow_forward
- (D) Zr (Z=40) and Hf (Z = 72) 7. Which halogen has the greatest first ionization energy? (A) F (B) Cl (C) Br (D) I 3. The isotope "Zn undergoes what mode of radioactive decay? (A) Alpha emission (C) Gamma emission (B) Beta emission (D) Positron emission 9. What is the bond order of carbon monoxide, CO? (A) 1.5 (B) 2.0 (C) 2.5 (D) 3.0 50. Which statements about the Lewis structure of thearrow_forward5.) Electron Configurations for Ions: Supply the ground state electron configurations for the following ions. You many use the short-hand notation (e.g. Na*: [He]2s 2p°). (a) N (b) Mg*. (c) O (d) Sc* (e) Sn2+ (f) Ar 6.) Formulas of Ions: Predict the formulas of the most stable ions of the following elements (a) Na (b) Mg (c) S (d) Al (e) Br (f) Parrow_forward11)Explain the given ionization energy for each pair using electron configurations. (12(Be)l1(B), I1(N)>l1(O) ).arrow_forward
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning