Devry CHEM 120 Week 1 Discussion dq 1& dq 2 Latest

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Devry CHEM 120 Week 1 Discussion dq 1& dq 2 Latest

dq1

Scientific Method and Calculations (graded)

Let’s explore the scientific method. Here is the situation: We are planting a garden. We have a variety of bulbs and potted plants. We do not have any directions on how or when to plant each of these items. We do not have any gardening books, magazines, or access to the Internet (Oh, the horror!). We need to observe a number of characteristics for these plants.

What are some of the characteristics that we want to observe? What might be your initial hypothesis? How would you set up an experiment to test your hypothesis?

dq 2

Atoms and Atomic Structure (graded)

There are a number of elements (minerals) that are important to human nutrition. These include sodium, potassium, calcium, chloride, magnesium, iron, copper, manganese, iodine, molybdenum, and selenium. Using the periodic table of elements, pick one of these elements and determine the number of protons, neutrons, and electrons found in this atom.

Check out the interactive periodic table in the Week 1 Lecture for more information on how to calculate the number of protons, neutrons, and electrons. It is recommended to print a copy of the table from the interactive periodic table.

 

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Devry CHEM 120 Week 1 Discussion dq 1& dq 2 Latest

Best Devry CHEM 120 Week 1 Discussion dq 1& dq 2 Latest
Devry CHEM 120 Week 1 Discussion dq 1& dq 2 Latest

 

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