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worksheet 1 S11 review version

worksheet 1 S11 review version - 1 Using 31P15 as an...

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1) Using 31 P 15 as an example, What is the NAME given to the top number, the 31? What atomic particles are represented by the 31?  What is the NAME given to the bottom number, the 15?  What atomic particles are represented by the 15?  How many electrons are present in each atom of this element?  How many neutrons are present in each atom? 2) Based on electron configuration, which of these elements would exhibit chemical behavior most like that of  oxygen?  Answer nitrogen Carbon phosphorous hydrogen sulfur 3) How many electrons can be expected in the outermost shell of an atom with atomic number 12? 4) Some elements are referred to as being “inert.” Why is this? Are they commonly found as part of a chemical  compound?  5) What is the driving force for elements to gain or lose electrons?  6)A solution consists of a solute and a solvent. (b) When CO 2  dissolves in water, CO 2  is the_______ (c) When ethanol is dissolved in water, ethanol is the______ (d) When a salt is dissolved in water, water is the __________ 7)How would you make 1 L of a 1M solution of MgCl 2 ?
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