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2nd period review quiz! Flashcards | StudBud
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2nd period review quiz!
2nd period review quiz!
26 terms
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StudBud Administration
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115 plays
get ready to test your knowledge kids!
Flashcards
26 cards
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Practice quiz
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Questions
26
Answers
1
What is the electronegativity trend on the periodic table?
increasing left to right
decreasing down to up
decreasing left to right
increasing down to up
2
What is the most important property of a polymer?
reactivity
size/length of the molecule
mass
volume
3
C
n
H
2n+2
is the formula for which type of hydrocarbon?
Alkanes
Alkenes
Alkynes
4
In a covalent bond, what is shared between atoms?
neutrons
protons
valence electrons
innermost electrons
5
A hydrocarbon with six carbon atoms has what prefix?
meth
hept
hex
but
6
What are natural polymers?
Cellulose
plastics
silk
fibres
7
Ionic bonds result in...
a gain of protons
a loss/gain of protons
a loss of neutrons
a loss/gain of valence electrons
8
An isomer's _______ differs from that of the original atom.
function
structure
formula
number of carbons
9
During ionic bonding, valence electrons...
are destroyed
go from metal to non-metal
go from non-metal to metal
are created
10
In transdermal patches, the front layer of polymer...
acts as a pain patch
prevents the loss of the drug
used as a rate-controlling membrane
is a drug reservoir
11
In the dot configuration of compounds, which element goes in the middle?
the most negatively charged element
the most positively charged element
a neutral atom
the element with the largest atomic radius
12
In dot formula, what do lines represent?
a single electron
an atom
covalent bond of a pair of electrons
ionic bond of two electrons
13
How many valence electrons do elements in the red highlighted group have (not including He)?
8
5
7
6
14
What type of polymers are made by combining two molecules and releasing a small molecule?
molecular polymers
step-growth polymers
multi-growth polymers
addition polymers
15
Where are valence electrons found?
bonded to a neutron
the first orbital
closest to the nucleus
the outermost orbital of an atom
16
That's the end of the phat quiz!
i love chem!
M-A I don't think so!
congrats!
woooo!
17
Covalent bonds can be...
polar
neither
nonpolar
both
18
Which has a higher number of conformations?
Natural polymers
Synthetic polymers
19
The geometry of covalent bonds...
determines its characteristics
creates structure
acts as a model
changes its function
20
What is bond length determined by?
number of bonded electrons
number of protons in the nucleus
atomic number
number of orbitals
21
Why do covalent bonds occur?
mitochondria is the powerhouse of the cell
high temperature change
to increase polarity
to gain stability
22
Which of the following are unsaturated hydrocarbons?
Alkanes
Alkynes
Alkenes
23
Hydrocarbons fall under what branch of chemistry?
analytical
organic
inorganic
biochemistry
24
Which of the following are properties of ionic bonds?
high melting/boiling points
all of the above
crystalline
brittle
25
The measure of the energy contained in the crystal lattice of a compound is called...
unit cell
lattice energy
electronegativity
dissolution
26
Which element has more valence electrons?
helium
silicon
