Chemistry, 28.07.2019 22:30 tylersabin72

Will give out brainliest.. name the 2 elements that have the same number of valence electrons. name the elements that would be classified as metals. name the 2 elements that are in the same period. name the 2 elements that are in the same family. name the element that has the smallest atomic number. if the atomic number of element c is 20, then what is the atomic number of element d?

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Will give out brainliest.. name the 2 elements that have the same number of valence electrons. name...