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Chem chapters 7 & 8 Flashcards | StudBud
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Chem chapters 7 & 8
Chem chapters 7 & 8
25 terms
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1
ionic compounds...
form crystalline structures
form electrical currents when dissolved in water
are none of the above
are liquid at room temp
2
polarity is...
A biology topic
forces between molecules
the distance between the north and south pole
charge distribution
3
ionice compounds are neutrally charged compounds from a combination of a cation and an anion
False
True
4
energy is gained when bonds are broken
True
False
5
What is bond association energy
the energy an electron takes during transfer
energy that a bond holds
a new parent club at aph
energy required to break apart a bond
6
covalent electrons share electrons but don't transfer them
True
False
7
Most gasses are diatomic
somtimes
nope
yes
only liquids are diatomic
8
ionic compounds are never made up of a metal and a non metal
False
True
9
Metals are malleable and conductors
True
False
10
Select one true thing about anions
they can be positive in rare cases
suffix "-ide"
typically non mentals
they aren't real ions
11
polar is equal, non-polar is unequal
True
False
12
alloys are made up of a metal and a non metal to improve upon their individual properties
True
False
13
Body centered cubic has a larger atomic radius
False
True
14
cations are negative ions and anions are postitive
False
True
15
Dispersion forces are the weakest intermolecular force
True
False
16
click on the correct single covalent bond
h=h
covalent bonds don't exist
H=H
H-H
17
Dipole forces are...
tiny
between the positive end and negative end of two polar molecules
attaching 2 molecules by both positive ends
only for non polar molecules
18
Select one true thing about cations
The name will stay the elements name
The name will change
usually metals
group 1 = 1-
19
Metals are
expensive
crystalline structures
super electronegative
shiny
20
The left side of the periodic table more often...
looses electrons
is more electronegative
Gains electrons
fails their chemistry test
21
covalent bonds are...
combinations of multiple nonmetals
the coolest type of bonds
mostly gasses and solids at room temp
mostly gasses and liquids at room temp
22
The octet rule is that an atom "wants" to have the electron configuration of a noble gas
True
False
23
VSEPR theroy states that
electrons like to stick together in groups of 2
electrons are super small
protons and neutrons are the same size
electrons want to spread out as much as possible
24
Is this a Bent molecule
False
True
25
Pick the correct notation for 3 sulfites
SO3
(SO3)3
SO2
S(O3)3
