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Chemistry Intro Vocab List Flashcards | StudBud
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Chemistry Intro Vocab List
Chemistry Intro Vocab List
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#chemistry
Flashcards
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Answers
1
What happens during every chemical reaction?
Acids melt stuff
Stuff explodes
Poison gets created
Electrons move
2
Potential energy is
energy from motion
energy from space
3
The difference between molecules and compounds is...
Compounds must be made of the same element
Molecules must be made of different elements
Molecules are compounds, but made of different elements
Compounds are molecules, but made of different elements
4
An example of something that is NOT matter...
Solid Gold
Air
Geometry
Liquid Mercury
5
Dimensional Analysis allows one to
see where was previously unseen
breakdown a 3d object into a 2d object
verify the physical reality of a mathematical setup
6
The difference between crystalline and amorphous is...
There is a pattern to atoms in amorphous compounds
There is a pattern to atoms in crystalline compounds
7
A chemical change would be like...
Writing on a piece of paper
Burning a piece of paper
Tearing a piece of paper
Folding a piece of paper
8
A physical change would be like...
Burning a piece of paper
Dropping paper in acid
Bleaching a piece of paper
Tearing a piece of paper
9
Energy is
neither heat nor work
either heat or work
work
heat
10
In STEM, 'work' refers to...
Trying your best
Non-random energy with a purpose
Random energy
Elbow grease
11
Chemistry is called the "middle science" because...
It explains biology, but is explained by physics
It explains physics, but is explained by biology
It explains geology, but is explained by biology
12
STEM is short for
Sputnik
Slightly Terrorizing Endangered Mammals
Super Transitional Eco-Men
Science, Technology, Engineering, Mathematics
13
Saturn would float in a water ocean large enough because
its density is greater than water
its density is less that water
14
Kinetic Energy is
energy from space
energy from motion
15
The kilogram is located in
UK
Russia
France
yo momma's house
16
The number of ink atoms in a period at the end of a sentence is...
billions
thousands
higher than the number of stars in the sky
hundreds
17
An example of a heterogeneous mixture would be like...
gravy
salt water
whipped cream
chocolate chip cookie
18
Rocket scientists are able to predict where a rocket will land because
Conservation of Energy
they are smart
they have advanced targeting systems
trick question, its unpredictable
19
Units for the Systeme International are
kilograms, seconds, meters
grams, seconds, centimeters
pounds, seconds, inches
tons, seconds, miles
20
To find density, one just takes...
volume per mass
charge per second
mass per volume
miles per hour
21
Energy is measured in
kilograms
joules
meters
seconds
22
An example of a homogeneous mixture would be like...
potpurri
soil
grape juice
granite
23
The mass of an atom comes mostly from...
its nucleus
its orbiting electrons
24
Thermal energy is
internal
external
25
The thing that changes in a chemical reaction is
The mass of the elements
The energy of the system
The position of the electrons
26
Compounds were discovered hundreds of years before powerful microscopes because of...
Conservation of Mass
Conservation of Charge
Conservation of Energy
27
The volume of an atom comes mostly from...
its orbiting electrons
its nucleus
28
In chemistry, a "mixture" refers to
compounds
2 things chemically combined
2 thing physically combined
molecules
29
Conversion factors
are never fractional
do not include units
can not be used with exponents
are always equal to 1
30
Stuff like meters, Celsius, seconds are examples of
dulcicopters
force
units
31
Elements are defined by
The # of electrons in their orbitals
The # of protons in their nucleus
What they do
The # of neutrons in their nucleus
