It's Elemental
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Posljednje ažuriranje over 5 years ago
3 questions
Napomena autora:
Introduction to Periods and Groups of the periodic table
Introduction to Periods and Groups of the periodic table

Which of the following are descriptions of elements in the same period?
The number of valence electrons determines how atoms of any element are going to behave.
What is the trick for determining the number of valence electrons that an element has?