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Chemistry

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Darron DuBuque

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Cards in this guide (11)
What is a qualitative observation

A Qualitative Observation is an observation that uses the five senses. sight, smell, hearing, touch, and taste. An example of this would be: "This tree has bright green leaves that have soft bumps on them."

The opposite is a quantitative observation, which is measured in numbers, such as the weight or length of an object. For example, 5 pounds or 100 inches. For instance "The stratosphere begins 40 kilometers above the surface of Earth."

What is a iconic bond

ionic bond in which ions to form a bond like NaCl

Why do water molecules stick to each other

They are polar and form hydrogen bonds

What is a water molecule made of

H2o

How much of a cell in the human body is composed of water

75 to 90

Which of the following would be considered a qualitative observation

The color of flowers is compared.

The height of radish seedlings is measured

In what way are all living organisms on earth similar

All organisms use the same genetic code.Living organisms are made of the same components as all other matter, organisms that inhabit the earth at any one time

they are all assembled from a nucleic acid code

If water were a nonpolar molecule how would its properties be different

water would not be able to form hydrogen bonds (wrong)


Apex - Water would not rise inside plants :P

Which best describes the nucleus of an atom

It is the part of the atom with the greatest mass.

Pure liquid water has a pH of what

7

Pure liquid water is described as neutral because the water's pH is what

pH of 7

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