Mini Quiz- Half Sheet H = 1.01 g/ mol , O = 16.00 g/ mol S = 32.07 g/ mol , N = 14.01 g/ mol , I = 126.90 g/ mol. How many grams in 3.4 x 10 23 molecules of H 2 SO 4 ? 2. How many molecules are there in 0.40 g of N 2 I 6 ?. Nuclear Chemistry. Unstable Nuclei.
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2. How many molecules are there in 0.40 g of N2I6?
Often nuclei of very large atoms are unstable…
Unstable Nuclei Stable Nuclei + Energy
A p+ to no ratio that is not close to 1:1
Example: Polonium (Po) has 84 protons and 125 neutrons
Oxygen has 8 protons and 8 neutrons
212-4 = 208 mass of new element
84-2 = 82 atomic number of new element
What is the difference between nuclear fission and fusion?
Check your calculations… do you have the right number of SF?
Do you have any questions on
Unit 2 Review
Atomic Structure WS- (3 worksheets on 1 sheet)