Energy Levels: What is the ground state energy of the Li++ ion, which has atomic number 3?
A. -40.8 eV
B. -122 eV
C. -61 eV
D. -1.51 eV
E. Li++ does not have a ground state.
Answer: B
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What does the following element description actually mean?
iron-57 A) iron with a mass number of 57 B) iron with an atomic number of 57 C) iron with 57 protons D) iron with 57 neutrons E) 57 iron atoms
The number of cycles of a periodic process that occur per unit time is called the period
Indicate whether the statement is true or false
Daily afternoon thunderstorms along the Gulf Coast are most likely caused by a
A) continental tropical air mass. B) continental polar air mass. C) maritime tropical air mass. D) maritime polar air mass.