quiz01_answers - Weed Science PLS 4601c Section 7644 and...

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Weed Science, PLS 4601c Section 7644 and Grad. – Prin. Of Weed Science AGR 6932 Section 9212 University of Florida - Davie http://grove.ufl.edu/~turf/weedscience/ Philip Busey, [email protected] 954-579-3932 (cell) May 14, 2009 Quiz 1 –Natural sciences and mathematics (Review) 1. Using the table of periodic elements below, what is the atomic number of iron? a) 26 <<<<<<<< b) 53 c) 56 d) 77 e) None of the above
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Weed Science – Quiz 1 - Univ. Florida - Davie Page 2 2. Which elements are halogens? a) H – Li – Na - K b) Be – Mg – Ca - Sr c) F – Cl – Br - I <<<<<<<< d) He – Ne – Ar - Kr e) None of the above 3. What is the approximate atomic weight of sodium chloride? a) 23 b) 28 c) 37 d) 58 <<<<<<<< e) None of the above 4. What is the molecular weight of the herbicide MSMA (monosodium methanearsenate) which has the molecular formula CH 4 AsNaO 3 ? 162 5. What type of bonding holds the atoms of methane together? a)
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quiz01_answers - Weed Science PLS 4601c Section 7644 and...

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