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Chemistry 09/20/2016

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Christopher Horras

on 21 September 2016

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Transcript of Chemistry 09/20/2016

September 20th, 2016
Bell Ringer
1) Which isotope would be better to measure to determine the age of a fossil that is thought to be over 1 million years old? Carbon-14 or Uranium-235.

2) Explain your reasoning.

Class Activity 12
1) What is an anion?

2) What is a cation?

3) Draw and label the following ions:

a) Na+
b) Cl-
c) Mg 2+
d) O2-
Human Ions
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