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Which of the following electron configurations is most likely to result in an element that is relatively inactive?
a filled highest occupied principal energy level
Which of the following statements is not true about ions?
When a cation forms, more electrons are transferred to it
Why is the second ionization energy greater than the first ionization energy?
It is more difficult to remove a second electron from an atom
In which of the following groups of ions are the charges all shown correctly?
Ca(2+), Al (3+), Br(+)
What is the energy required to remove an electron from an atom in the gaseous state called?
Which of the following factors contributes to the decrease in ionization energy within a group in the periodic table as the atomic number increases?
increase in atomic size
What is the formula of the ion formed when cadmium achieves a pseudo-noble-gas electron configuration?
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