17854_Exam1_F98

17854_Exam1_F98 - Name _ Page 1 1. (10 points) Sulfur is a...

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1 . (10 points) Sulfur is a (metal) (nonmetal) (metalloid) _______________ with a symbol of ____________ and an atomic number of _____________. It is in Group __________ and in period _____________ of the periodic table. The element has ____________ protons in the nucleus. A sulfide ion has the formula ______________ and has _____________ electro n s . The most abundant isotope of sulfur is 3 2 S, an isotope with _____________ neutrons in the nucleus. A metal in the same period as sulfur would be ____________________ (give its name or symbol) . 2 . (14 points) Complete the following table of names and form u l a s . 3 . (3 points) Give the name or formula of each of the following nonionic c o m p o u n d s . 4 . (4 points) In one of the boxes below sketch an atomic level view of solid iron. In the other box, sketch a molecular level view of nitrogen gas. Use a circle to re p resent an atom. Include at least 20 atoms of iron or of nitrogen in your drawing. Name __________________________________________
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This note was uploaded on 12/10/2009 for the course CHEM 1111 at Colorado.

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17854_Exam1_F98 - Name _ Page 1 1. (10 points) Sulfur is a...

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