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chemistry

asian dad hard not easy

QuestionAnswer
what are radicals when an atom or a group of atoms have a negative or positive charge on them
what are ions when an atom has a electrical charge by losing or gaining electrons
what is valency the combininig capacity of a element or a radical
what is a variable valency and how are the representated when an element has more than 1 valency it is known as variable valency and are represented by roman numbers eg : iron (II) =fe2+ iron(III) =fe3+
what is a periodic table a tabular arrangement of rows and columns representing the 118 elements in a easier way
Created by: user-1989831
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