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Exam 11: Investigating Matter

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Exam 1: About Science24 Questionsadd course
Exam 2: Describing Motion74 Questionsadd course
Exam 3: Newtons Laws of Motion124 Questionsadd course
Exam 4: Momentum and Energy133 Questionsadd course
Exam 5: Gravity88 Questionsadd course
Exam 6: Heat98 Questionsadd course
Exam 7: Electricity and Magnetism107 Questionsadd course
Exam 8: Waves-Sound and Light124 Questionsadd course
Exam 9: Atoms and the Periodic Table133 Questionsadd course
Exam 10: The Atomic Nucleus and Radioactivity129 Questionsadd course
Exam 11: Investigating Matter87 Questionsadd course
Exam 12: Chemical Bonds and Mixtures248 Questionsadd course
Exam 13: Chemical Reactions252 Questionsadd course
Exam 14: Organic Compounds107 Questionsadd course
Exam 15: The Basic Unit of Life-The Cell37 Questionsadd course
Exam 16: Genetics40 Questionsadd course
Exam 17: The Evolution of Life35 Questionsadd course
Exam 18: Diversity of Life on Earth41 Questionsadd course
Exam 19: Human Biology Icontrol and Development39 Questionsadd course
Exam 20: Human Biology Iicare and Maintenance37 Questionsadd course
Exam 21: Ecology36 Questionsadd course
Exam 22: Plate Tectonics83 Questionsadd course
Exam 23: Rocks and Minerals59 Questionsadd course
Exam 24: Earths Surfaceland and Water72 Questionsadd course
Exam 25: Surface Processes62 Questionsadd course
Exam 26: Weather72 Questionsadd course
Exam 27: Environmental Geology52 Questionsadd course
Exam 28: The Solar System98 Questionsadd course
Exam 29: The Universe111 Questionsadd course
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If you eat metallic sodium or inhale chlorine gas, you stand a strong chance of dying. Let these two elements react with each other, however, and you can safely sprinkle the compound on your popcorn for better taste. What is going on?

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Question 81

When a gas is changed to a liquid phase, the gas

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Question 82

The scanning probe microscope

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Question 83

Nanotechnology and microtechnology are similar in that they both

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Question 84

We are warmed by condensation because water molecules in the air that strike our bodies

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Question 85

Distinguish between atoms and molecules. Which is made of which?

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Question 86

What is the name of the following compound? CaCl2

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Question 87
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