Multiple Choice
Which of the following ground-state electron configurations corresponds to an atom that has the most negative value of the electron affinity?
A) 1s22s22p63s1
B) 1s22s22p63s23p5
C) 1s22s22p63s23p2
D) 1s22s22p63s23p63d54s2
E) 1s22s22p6
Correct Answer:
Verified
Correct Answer:
Verified
Q21: The properties of _ were remarkably close
Q22: The change in energy for which of
Q23: Which ground-state electron configuration is incorrect?<br>A)Br:[Ar]3d<sup>10</sup>4s<sup>2</sup>4p<sup>5</sup><br>B)K:[Ar]4s<sup>1</sup><br>C)Fe:[Ar]3d<sup>5</sup><br>D)Na:1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>1</sup><br>E)Zn:[Ar]3d<sup>10</sup>4s<sup>2</sup>
Q24: Which of the following statements is true
Q25: What is the maximum number of electrons
Q27: An element that has the same ground
Q28: The Pauli exclusion principle states that<br>A)the wavelength
Q29: When arranged in order of increasing atomic
Q30: Which of the following atoms is paramagnetic
Q31: Mendeleev's periodic table (1869)can be explained by