Chem 116 Exam 2 with Questions & Correct Verified Answers
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Course
Chem 116
Institution
Chem 116
The lines in an atomic line emission spectrum are due to
A) movement of electrons from higher energy states to lower energy states in atoms
B) the presence of isotopes
C) nuclear transitions in atoms
D) movement of electrons from lower energy states to higher energy states in atoms - A
The MAX...
Chem 116 Exam 2 with Questions & Correct Verified Answers The lines in an atomic line emission spectrum are due to A) movement of electrons from higher energy states to lower energy states in atoms B) the presence of isotopes C) nuclear transitions in atoms D) movement of electrons from lower energy states to higher energy states in atoms - ✔✔ A The MAXIMUM # of electrons that may reside in the n=2 energy level is A) 2 B) 18 C) 8 D) 3 - ✔✔ C When an electron moves from the ground state to the excited state, i t A) emits energy & moved farther from the nucleus B) absorbs energy & moved farther from the nucleus C) emits energy & moved closer to the nucleus D) absorbs energy & moved closer to the nucleus - ✔✔ B The element with the ground state electron configurat ion 1s22s2sp63s23p5 is A) Br B) F C) Ar D) Cl - ✔✔ D What is the maximum number of electrons that can occupy the 3p sublevel A) 2 B) 3 C) 18 D) 6 - ✔✔ D Elements in the SAME group have A) the same number of valence electrons B) the same number of electrons C) the same number of neutrons D) the same atomic number - ✔✔ A In which group do all atoms have 7 valence electrons in the ground state? A) halogens B) alkaline earths C) noble gases D) alkali metals - ✔✔ A Elements in the same group generally have A) similar properties B) similiar number of neutrons C) different properties D) similar chemical symbols - ✔✔ A The inertness of the noble gases is due to A) the number & arrangement of their electrons B) the uniq ue structure of their nuclei C) the bonds they form with other elements D) the special number of protons & neutrons - ✔✔ A
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