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Atomic Structure and Counting Atoms Exit ticket
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1.
25 points
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2. Serotonin is a chemical substance that acts as a neurotransmitter. It helps relay messages in the human brain. The formula for one molecule of serotonin is shown below. How many atoms are in this molecule of serotonin?
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3. What is the mass number of Phosphorus (P) atom that has 16 neutrons?
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4. A model of a beryllium atom is shown below. What types of particles are found in the cloud surrounding the atom's nucleus?
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