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Question
Why do elements that are in the same group of the periodic table share similar properties?(1 point)
Responses
They all have the same number of electrons in the outer shell.
They all have the same number of electrons in the outer shell.
They are all metals.
They are all metals.
They all have the same atomic mass.
They all have the same atomic mass.
They are all very reactive with other elements.
1 answer
The correct response is:
They all have the same number of electrons in the outer shell.
Elements in the same group of the periodic table have similar chemical properties because they have the same number of valence electrons, which determines how they interact with other elements.
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