Question
When moving across a period from left to right in the periodic table (excluding transition elements) which trend occurs?(1 point) Responses The energy levels increase by one. The energy levels increase by one. Valence electrons decrease by one. Valence electrons decrease by one. Valence electrons increase by one. Valence electrons increase by one. The energy levels decrease by one
what is 100% correct
what is 100% correct
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GPT-4o mini
When moving across a period from left to right in the periodic table (excluding transition elements), the correct trend is: **Valence electrons increase by one.**
As you move from left to right across a period, the number of valence electrons in the outer shell increases by one with each subsequent element.
As you move from left to right across a period, the number of valence electrons in the outer shell increases by one with each subsequent element.
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