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FDSCI 101 S15 Day 18

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by

Richard Datwyler

on 21 June 2017

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Transcript of FDSCI 101 S15 Day 18

Exam review question 1
Potassium has an atomic number of 19, it has an atomic mass of 39. It is found in the first column on the periodic table. How many Neutrons does this element have?
A. 19
B. 39
C. 1
D. 20
E. Impossible to know without knowing its charge
Neutral Potassium has an atomic number of 19, it has an atomic mass of 39. It is found in the first column on the periodic table. How many Valence shell electrons does this element have?
A. 19
B. 39
C. 1
D. 20
E. 9
Exam review question 2
Group Work
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