13. Which ground-state atom has an electro 8 Which of the following configuratio

Question

13. Which ground-state atom has an electro 8 Which of the following configuration is following orbital diagran? A) 3d 8) A) Bromine 8) germanium D) tellurium C) [w] ! D) E) none of these categorize Usng thefigure below.orawitn arenergy of 6.6 x 10e J/photon. [Ar] t± tt tt tt : 1 14 All of the above 9. Consider the element with the electron Co aiderror the above configuration [Kr)5s4d. This element is A) a representative element. B) a transition metal. C) a nonmetal D) an actinide element E) a noble gas 10. What is the wavelength of radiation that has a frequency of 3.4 x 10"s-1 A) 8.8 x 10 nm B) 8.8 x 103 nn C) 8.8 x 1013 nm D) 1.0 x 10" nm E) 1.0 x 10 nm A) Gamma rays B) x rays C) Ultraviolet D) Infrared 15. Which of the following is the electron configuration for the bromide ion (Br)? 11. Following is the electron configuration of 4s 3d C) [Kr) B) K C) Cu D) Zn E) Cr E) [Xe) A mixture of three gases has a total pressure of 1,380 mmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of Ar? 16. 12. Calculate the volume occupied by 35.2 g of methane gas (CH4) at 25 C and 1.0 atm. R = 0.08206 LCatrhC mol. A) 0.0186 L B) 4.5 L C) 11.2L D) 49.2 L E) 53.7L A) 0.258 atm B) 5,345 mmHg C) 301 mmHg D) 356 mmHg E) 8,020 mmHg

Explanation / Answer

8) Configuration that contains one or more unpaired electron(s) are termed as paramagnetic in nature. Al of the configuration listed in the question contains unpaired electrons and hence are paramagnetic in nature.

Ans- All of the above

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