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Quiz 2-Water and the Chemistry of Life Flashcards | StudBud
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Quiz 2-Water and the Chemistry of Life
Quiz 2-Water and the Chemistry of Life
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The 6 properties of water and the scientific method review and chemistry of life for Bio 1
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Questions
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Answers
1
Water will only dissolve ______ substances.
polar
Non polar
hydrophilic
hydrophobic
2
What is the name of the minimum amount of energy needed to start a chemical reaction?
Activation Energy
Reactant Energy
Bond Energy
Chemical Energy
3
Ice is ____ dense than water.
more
less
equally
4
Water droplets sticking to wax paper shows:
high heat capacity
cohesion
capillary action
adhesion
5
True or False: Cohesion is the attraction between two different molecules.
False
True
6
Hydrogen bonds are ____ bonds.
covalent
Strong
polar
weak
7
What is the property of water that allows water molecules to stick to different surfaces?
Adhesion
Capillary Action
Excellent Solvent
Cohesion
8
Which two properties of water work together to achieve capillary action?
Adhesion and Density
Cohesion and Surface Tension
High Heat Capacity and Excellent Solvent
Cohesion and Adhesion
9
Which property of water is the reason why frozen water floats?
Cohesion
Ice Density
High Heat Capacity
Excellent Solvent
10
What property of water allows water molecules to stick to other water molecules?
Capillary Action
Adhesion
Cohesion
Surface Tension
11
Which group of elements on the periodic table is the least reactive?
Group 8
Noble Gases
Group 14
Group 1
12
Water molecules are ______.
Polar
hydrophobic
hydrophilic
Non-polar
13
Which property of water allows water molecules to dissolve numerous substances?
Hydrophobic substances
Capillary Action
Universal Solvent
High Heat Capacity
14
Which property allows water to absorb a lot of heat without changing phase?
Low Heat Capacity
High Heat Capacity
Capillary Action
Cohesion
15
If you take away a proton from an atom, you will have:
a positive charge on the atom
a negative charge on the atom
a different element
an unbalanced atomic mass
16
Oil won't dissolve in water because it is:
polar
hydrophilic
nonpolar
hydrophobic
17
What are the reactants in a chemical reaction?
the starting material
a catalyst
what you get out of a reaction
the end product
18
What is the name of the chemical bond where one atom "steals" the electrons of another atom when they bond?
Hydrogen Bond
Polar Bond
Ionic Bond
Covalent Bond
19
Water droplets coming together to form bigger water droplets shows:
universal solvent
capillary action
cohesion
adhesion
20
If an atom's valence shell is full, the atom is considered:
unstable
High Reactive
stable
Somewhat reactive
21
What charge do the Hydrogen atoms have in a water molecule?
neutral
there is no charge
positive
negative
22
Water being moved through the roots and stem of a plant is an example of:
capillary action
cohesion
surface tension
adhesion
23
What type of bond holds the Hydrogen and Oxygen atoms together within a water molecule?
Polar Bond
Covalent bond
Ionic Bond
Hydrogen Bond
24
A paper clip floating on top of water shows which property of water?
Cohesion
adhesion
Surface tension
ice density
25
What type of bonds connect water molecules to other water molecules?
Polar bonds
Covalent bonds
Hydrogen Bonds
Ionic Bonds
26
What is the charge of the Oxygen in a water molecule?
neutral
negative
positive
there is no charge
27
How many valence electrons are in the outer energy level of Group 17
17
1
7
8
28
How many electrons fill the innermost shell?
4
2
6
8
