When moving down a group in the Modern Periodic Table, what happens to the number of valence electrons?
Remains the same
When moving down a group in the Modern Periodic Table, the number of valence electrons remains the same for all elements in that group.
Increasing by two, decreasing by one, or increasing by one describe changes that do not occur when moving down a group.
Hence, 'Remains the same' is the correct answer.
Similar Questions
In the context of periodicity, elements in the same group tend to display similar chemical properties. Which primary factor is responsible for this similarity among group members?
Which of the following elements is malleable and a good conductor of heat and electricity?
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Modern periodic table has:
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