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Chemistry, 06.01.2020 05:31 gabrielledismang

How do i tell the number of valence electrons present in an element just by looking at a periodic table?

i have a question on my test that deals with this, but i don't know what to do in order to find this out. any is appreciated! i can post the question, if that would your explanation.


How do i tell the number of valence electrons present in an element just by looking at a periodic ta

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