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True/False: All matter is made of atoms.

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Energy and Reactions Nucleic Acids and Proteins Carbohydrates and Lipids Water and solutions The Nature of Matter 100 100 100 100 100 200 200 200 200 200 300 – PowerPoint PPT presentation

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Title: True/False: All matter is made of atoms.


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(No Transcript)
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True/False All matter is made of atoms.
3
What is an atom?
4
What are the three types of particles found in an
atom and what is the charge of each?
5
Explain the difference between an atom, element,
and compound.
6
What is the difference between ionic, covalent,
and hydrogen bonding AND give an example of each
type?
7
True/False A molecule is a stable group of
elements.
8
Define solution and give an example of a
solution.
9
Are the hydrogen bonds between water molecules
adhesion or cohesion? How do you know?
10
What is the difference between acids and bases?
Use pH and hydrogen ions in your answer.
11
Why is water sometimes referred to as the
universal solvent?
12
What three types of atoms are found in all
carbohydrates?
13
Describe the structure of starch. Is it a
mono/di/poly saccharide?
14
Are lipids polar or nonpolar? Do they dissolve
easily in water?
15
What is the difference between saturated and
unsaturated fats?
16
What are two functions of carbohydrates?
17
Do all cells contain nucleic acids?
18
What are the three parts of a nucleotide?
19
What are the building blocks of amino acids? How
many different types of building blocks are
there?
20
What determines a proteins shape and function?
21
What do all organic compounds have in common?
What are the four main types of organic compounds?
22
True/False Energy exists in many formsincluding
light, heat, chemical energy, mechanical energy,
and electrical energy- and cannot be converted
from one for to another.
23
The starting materials for chemical reactions are
called _______. The newly formed substances are
called _______.
24
What effect do enzymes have on the rate of
chemical reactions?
25
To use a chemical ice pack, a small bag of
solution is broken open inside the larger bag of
liquid. The two liquids mix and get cold. What
type of reaction is taking place inside the ice
pack? How do you know?
26
Explain how enzymes speed up chemical reactions.
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