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Chemistry : Chem Hw Studypool

  

In order to complete this question you are going to need a
periodic
table.B.7ElementChlorineZincCalciumLanthanumSymbol36Cl65Zn40Ca137LaProtons17302057Neutrons19352080Electrons17302057Mass
Number366540137Explanation:First row:Finding the element: we are
given the symbol of the element 36Cl, this symbol represents
theelement Chlorine.Finding the number of protons: when looking for
Chlorine on the periodic table, we can see anumber above its symbol
and below it. The number above is the atomic number whichrepresents
the number of protons in the atom. For chlorine it is 17.Finding
the number of neutrons: the number below the symbol is 36. This
represents the massnumber. Because protons and neutrons both have a
mass of 1 while electrons have no mass.The mass number is simply
protons + neutrons. Therefore, we simply do 3 …

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