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1.Let's say you could see inside of the nucleus of a Silver atom and inside the nucleus of a Cobalt atom. How would they look different?
2.If a substance has no (or almost no) likelihood of undergoing a chemical reaction with another element it is said to be:
a.Ionized
b.Malleable
c.Reactive
d.Inert
e.An Isotope

3. Evaluate this sentence and explain why it is incorrect:
“Neon came into contact with Iron and the reaction was very explosive.”

4. Mr. Carney does and experiment. He weighs himself. He weighs 210 lbs. He then runs 15 miles. Then weighs himself. He now weighs 200 lbs.
Explain the conservation of mass using this experiment as your example.
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iStalingrad
Answers:
1. A silver atom would have 47 protons and more neutrons than a cobalt atom and a cobalt atom would only have 27 protons and less neutrons than a silver atom.

2. D. Inert Inert means non-reactive.

3. Neon gas is a Nobel gas on the right side of the periodic table so it is an inert gas and does not react with iron.

4. Mass is neither created or destroyed so as Mr. Carney ran carbon in his body left as carbon dioxide. So the 10 lbs he lost left his body as CO2 through the lungs.
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