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bio quiz 2 make up - Quiz 2 1 I received Tc-99 with an...

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Quiz 2 1) I received Tc-99, with an atomic number of 43, for a bone scan. How many neutrons were placed in my body per atom of Tc-99? . 0043 2) Which energy level, or row on the periodic table, has a maximum of two (2) electrons? A) 1st; b) 2nd ; c) 3rd; d) 4th 3) What is the right order of the continuum of electron sharing, from least to most, from left to right? A. non-polar covalent, ionic, polar covalent B. non-polar covalent, polar covalent, ionic C. ionic, non-polar covalent, polar covalent D. ionic, polar covalent, non-polar covalent 4) What is the most number of covalent bonds that a neutral atom of Oxygen, with atomic number 8, can make? A. 1 B. 3 C. 2 D. 4
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5) If Na has a molecular weight of 23, and Cl has a molecular weight of 35, 116g/L 100g/L what is a 2M solution of NaCl?
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