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Chemistry Unit Review Flashcards | StudBud
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Chemistry Unit Review
Chemistry Unit Review
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1
How is a supersaturated solution made?
Make a solution and yell, "UP UP and AWAY!"
I don't know. Ask your mom.
Mix a solute and a solvent together.
Add solute and heat.
2
Which of these are indicators of a chemical change?
the release of gases
a change in color
giving off or taking in of heat
a change in shape
3
Opal is the birthstone of what month?
July
March
October
January
4
Is a topaz allochromatic?
Yes
No
Sometimes
Only on the 3rd day of October
5
What type of particle(s) are found
inside
the nucleus of an atom?
gluons
neutrons
electrons
protons
6
The science of different kinds of matter, and how that matter can change, is called ___
chemistry
physics
baking
biology
7
The substance forced out of a solution as it cools or evaporates is called the...
solvent
supersaturated
precipitate
gogurt
8
A small, single piece of crystal from which a whole crystal forms.
Seed Crystal
Mineral
Super Saturated
Solution
9
What is a sapphires chemical make up?
Manganese twunkatight
Mostly Aluminum oxide with trace amounts of other elements.
Aluminum oxide.
Red lipstick, foundation, and blue eyeliner.
10
Chemical changes usually...
involve only two things
can't be undone
can't be eaten
can be separated
11
When there is more solute than can be dissolved in the solvent at room temperature the solution is said to be...
solvent
supersaturated
saturated
my brain
12
Diamonds are made up almost entirely of what element?
zinc
hydrogen
carbon
lead
13
In a chemical change, particles that make up two or more substances are rearranged to ___
mix into a solution
form a new substance
mix into a solid
form a mixture
14
A liquid that is mixture of two different things is a...
solution
rock
mineral
solvent
15
What is a pizzahmaton?
Subatomic particles that are linked to happiness.
A synthetic pizza delivering android that is not to be trusted.
The particles that hold the pepperoni together.
A marathon of pizza-eating that ends in shame and empty pizza boxes.
16
What two colours does alexandrite become?
Green and Red
Blue and Pink
Orange and Brown
Purple and Green
17
Why does the earth rotate around the sun?
Pick this for FREE V-BUCKS
The gravity of the Sun keeps it in its orbit.
Wait... what does this have to do with chemistry?!?
The midline fracture of North Umberland.
18
Both baking and chemistry require careful ___
tasting and measuring
tasting and heating
timing and measuring
timing and dancing
19
Data that supports or disputes a scientific idea is called...
a theory
evidence
a hypothesis
guesses
20
A naturally occurring substance mostly made up of one type of thing with a specific crystal structure.
hydrogen dioxide
mineral
me
rock
21
Atoms NEVER lose or gain electrons.
False
True
22
What does allochromatic mean?
Similar in colour
Variable in colour
Automatically turns into chrome.
When all of the chrome becomes aromatic.
23
The term for the pattern that a crystal forms.
fencing
bulbous
pretty
lattice
24
When atoms gain or lose electrons the final, overall positive or negative charge creates...
a charged nucleus
a super atom
a neutron
an ion
25
What particle is found
outside
the nucleus of an atom?
neutrons
protons
pizzahmatons
electrons
26
US researchers developed a process to use diamond dust to release chemotherapy drugs directly into cancerous tumours.
False
True
27
Where is turquoise mainly found?
Russia
The Moon
Canada
Egypt
28
Sodium is a
positively
charged ________ and chlorine is a
negatively
charged ________.
atoms
noble gases
chemical compounds
ion
29
In which case would an atom be considered
neutral
?
it has 3 protons & 3 electrons
it has 3 protons & 4 electrons
it has 4 neutrons & 4 electrons
it has 3 protons & 3 neutrons
30
According to the Guiness Book of World Records what is the rarest mineral on earth?
Black Opal
Painite
Panini
Yrmumium
31
A crystal formed from
sodium
and
chlorine.
sugar
sodium
chloride
salt (NaCl)
32
If no more solute can be dissolved in a solvent it is said to be...
solvent
saturated
solution
supersaturated
33
Anything made by combining two or more different things is called ___
a chemical change
a solution
a mixture
a solvent
34
The purest type of emerald costs how much for one carat?
$18,000
$75,000
$1,000,000
$1,000
35
Baking is pretty much just ___
chemistry
biology
astronomy
physics
36
What is the largest gemstone in the USA called?
The meme team archivery
The Avalon Diamond
The Miranda Amethyst
The Uncle Sam Diamond
37
Is it true that snowflakes are considered "ice crystals"?
No!
Saskatchewan!
Maybe so...
Yes!
38
Who discovered hydrogen peroxide?
Justin Chambers
Jeremy Shada
Neil Armstrong
Louis Jacques Thenard
39
Change in color, release of smell or light, and giving off heat are indicators of...
a physical change
a nuclear change
a chemical change
a state change
40
The solid mineral material forming part of the surface of the earth and exposed on the surface or underlying the soil.
mineral
rock
crystal
my brain
41
What colour is a ruby?
teal
brown
Manitoba
red
42
Within every atom that makes up matter, there is a dense center called...
a neutron
the nucleus
an ion
a proton
