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Chemistry of Life Flashcards | StudBud
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Chemistry of Life
Chemistry of Life
12 terms
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#matter #propertiesofwater #h2o #water #chemistryoflife #biology #elements #organic
Flashcards
12 cards
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Practice quiz
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Host live
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Questions
12
Answers
1
living organisms are made up of _% water.
30-40%
10-20%
50-60%
70-90%
2
Cohesion is when water attracts to different substances.
True
False
3
Chemistry is the study of the interactions of?
macromolecules
Matter
living things
cells
4
Carbon has _ number of electrons.
6
5
7
8
5
What defines matter?
has mass
solid at room temperature
takes up space
is a liquid at room temperature
6
different water molecules are attracted to one another by which type of bond?
iconic bonds
ironic bonds
hydrogen bonds
covalent bonds
7
Covalent bonds are?
weak
strong
mild
depends
8
which of the following element(s) can be found in living organisms.
sulfur
nitrogen
phosphorus
iron
9
Water evaporating from leaves is an example of which property of water?
high specific heat
solvent
high heat of vaporization
density of ice
10
What is the charge of the element surrounded by the water molecules?
out numbered
neutral
positive
negative
11
when two elements or atoms share electrons equally they are said to be which of the following.
nonpolar
Polar
non-symmetrical
symmetrical
12
What elements make up an organic molecule?
Oxygen, carbon, nitrogen
oxygen, nitrogen, hydrogen
oxygen, carbon, nitrogen, hydrogen
Oxygen, carbon hydrogen
