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Question
How are elements in the same group of the periodic table similar to each other chemically? (1 point)
Responses
These elements all have the same number of energy levels with electrons in them.
These elements all have the same number of energy levels with electrons in them.
These elements all have the same number of electrons.
These elements all have the same number of electrons.
These elements all have the same number of electrons in their inner shell.
These elements all have the same number of electrons in their inner shell.
These elements all have the same number of valence electrons.
1 answer
The correct response is:
These elements all have the same number of valence electrons.
Elements in the same group of the periodic table have similar chemical properties because they possess the same number of valence electrons, which largely determines their reactivity and the types of bonds they can form.
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