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using the periodic table of elements, complete the table below by filling in the blanks with correct answers.The first item is already done to guide you.

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Using The Periodic Table Of Elements Complete The Table Below By Filling In The Blanks With Correct AnswersThe First Item Is Already Done To Guide Youpahelp Pot class=

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Answer:

Ca

grp. number: 2

covalency number: 2

oxidation number: +2

Br

grp. number: 17

covalency number: 1

oxidation number: -1

N

grp number: 15

covalency number: 3

oxidation number: +2

Fr

grp number: 1

covalency number: 1

oxidation number: +1