Chemistry Exam 1

Last updated over 1 year ago

18 questions

7

6

5

2

1

2

6

7

3

10

20

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Chemistry Exam 1

Last updated over 1 year ago

18 questions

7

Draggable item		Corresponding Item

6

Match the following symbols with their name or description

Draggable item		Corresponding Item

6

Match the following symbols with their name or description

Draggable item		Corresponding Item

6

Match the following

Draggable item		Corresponding Item
Carbon Dioxide		Element
Seawater		Compound
Argon		Mixture

5

Draggable item		Corresponding Item
Helium		solution
Nitrogen		the less reactive common gas in our atmosphere
Potassium

2

Which of the following can be separated by fractional distillation

2

Helium is abundant in the universe but rare in our atmosphere because Earths gravity cannot keep it in the atmosphere (this is true of Hydrogen, is it also true of Helium?)

2

Helium is the product of Nuclear Fusion in the stars and bombs

1

Uranium is the fuel for Nuclear Fission in bombs and nuclear reactors

1

Uranium changes into Lead through a chemical reaction

2

Which of the following help kill bacteria

6

Match the following with what is produced when it reacts with Oxygen

Draggable item		Corresponding Item

7

Draggable item		Corresponding Item

7

Draggable item		Corresponding Item

7

Draggable item		Corresponding Item

3

Which of the following is true of the graph below (there may be more than one correct answer)

10

Match each unit with what it measures

Draggable item		Corresponding Item
Pressure		g
Mass

20

Explain one or two of the labs we did, including your hypothesis, the materials, your procedure observations, and conclusions. Use as many as possible of the following words, using seven complete sentences:

density, graduated cylinder, beaker, scale, 9V battery, Silicon, Zinc, water, marker cap, isopropyl alcohol, electrode, Oxygen, Hydrogen, acid, base, pH indicator, electrolyte, test tube, alligator clips

Match the following symbols with their name or description

Draggable item		Corresponding Item
H		the fuel for fusion reactions in the Sun and fusion bombs
O		Boron
S		the core element in diamonds, graphite, DNA, proteins, and carbohydrates
B		The most abundant element in our atmosphere
C		the common nonmetal that reacts with almost every other metal and nonmetal, making up a large part of the atmosphere, biosphere, hydrosphere, and the crust of the earth
F		Flourine
N		Sulfur

Match the following symbols with their name or description

Draggable item		Corresponding Item
Ne		Helium
Ca		this metals density makes it useful for electric car batteries
Si		Beryllium
He		an inert Noble gas used in signs
Li		its unusual ability to change its electrical conductivity makes it essential for microprocessors and solid state memory chips
Be		essential to bone and shell strength and muscle and nerve function

Match the following symbols with their name or description

Draggable item		Corresponding Item
Ag		Potassium
Cl		A halogen that is useful for killing bacteria in drinking water and swimming pools
Hg		Iron
K		Silver
Fe		a metal that is liquid at room temperature and used in thermometers and other instruments
Na		Sodium

Match the following

Draggable item		Corresponding Item
Carbon Dioxide		Element
Seawater		Compound
Argon		Mixture

Draggable item		Corresponding Item
Helium		solution
Nitrogen		the less reactive common gas in our atmosphere
Potassium		reactive metal
Gold		inert Nobel gas
Air		conductive nonreactive metal

Which of the following can be separated by fractional distillation

Helium is abundant in the universe but rare in our atmosphere because Earths gravity cannot keep it in the atmosphere (this is true of Hydrogen, is it also true of Helium?)

Helium is the product of Nuclear Fusion in the stars and bombs

Uranium is the fuel for Nuclear Fission in bombs and nuclear reactors

Uranium changes into Lead through a chemical reaction

Which of the following help kill bacteria

Match the following with what is produced when it reacts with Oxygen

Draggable item		Corresponding Item
Copper		Orange Rust
Silver		Black Tarnish
Argon		Green Cupric Oxide
Coal		Water
Iron		Carbon Dioxide
Hydrogen		Does not react with Oxygen

Match the following

Draggable item		Corresponding Item
mass		a chemical property
volume		the property that allows water striders to walk on water
flammability		the amount of matter in a substance
density		the space a substance occupies
surface tension		the mass of a substance divided by the space it occupies
temperature		the wavelength of visible light that is reflected or emitted from an object
color		the average kinetic energy of the particles in a substance

Match the following

Draggable item		Corresponding Item
melting point		a chemical property
toxicity		the temperature at which a substance freezes
boiling point		the temperature at which a substance changes from a liquid state to a gaseous state
elasticity		a measure of how much light or heat bounces back from an object
ductility		the tendency of an object to bend under pressure and return to its original position when that pressure is removed
reflectivity		the ability to allow something else to pass through it (e.g. water through soil, Oxygen through a membrane)
permeability		the ability to lengthen a substance like a wire without it breaking

Match the following

Draggable item		Corresponding Item
opacity		a chemical property
viscosity		the way light interacts with the surface of a crystal, rock, or mineral
strength		the thickness, stickiness, or resistance to flow of a liquid
solubility		how much pressure a substance can take without bending or breaking
hardness		the ability of a substance to form a solution with another substance
luster		the ability of a substance to allow light to pass through it
reactivity		the resistance of a solid to scratching

Which of the following is true of the graph below (there may be more than one correct answer)

Match each unit with what it measures

Draggable item		Corresponding Item
Pressure		g
Mass		mL
Volume		g/ml
Density		s
Time		N/m2 (or PSI in the British System) Force divided by a unit of area

Explain one or two of the labs we did, including your hypothesis, the materials, your procedure observations, and conclusions. Use as many as possible of the following words, using seven complete sentences:

density, graduated cylinder, beaker, scale, 9V battery, Silicon, Zinc, water, marker cap, isopropyl alcohol, electrode, Oxygen, Hydrogen, acid, base, pH indicator, electrolyte, test tube, alligator clips

Match the following symbols with their name or description

H

the fuel for fusion reactions in the Sun and fusion bombs

O

Boron

S

the core element in diamonds, graphite, DNA, proteins, and carbohydrates

B

The most abundant element in our atmosphere

C

the common nonmetal that reacts with almost every other metal and nonmetal, making up a large part of the atmosphere, biosphere, hydrosphere, and the crust of the earth

F

Flourine

N

Sulfur

Ne

Helium

Ca

this metals density makes it useful for electric car batteries

Si

Beryllium

He

an inert Noble gas used in signs

Li

its unusual ability to change its electrical conductivity makes it essential for microprocessors and solid state memory chips

Be

essential to bone and shell strength and muscle and nerve function

Ag

Potassium

Cl

A halogen that is useful for killing bacteria in drinking water and swimming pools

Hg

Iron

K

Silver

Fe

a metal that is liquid at room temperature and used in thermometers and other instruments

Na

Sodium

reactive metal

Gold

inert Nobel gas

Air

conductive nonreactive metal

Iodine

All of the above

Copper

Orange Rust

Silver

Black Tarnish

Argon

Green Cupric Oxide

Coal

Water

Iron

Carbon Dioxide

Hydrogen

Does not react with Oxygen

Match the following

mass

a chemical property 

volume

the property that allows water striders to walk on water

flammability

the amount of matter in a substance

density

the space a substance occupies

surface tension

the mass of a substance divided by the space it occupies

temperature

the wavelength of visible light that is reflected or emitted from an object

color

the average kinetic energy of the particles in a substance

Match the following

melting point

a chemical property 

toxicity

the temperature at which a substance freezes

boiling point

the temperature at which a substance changes from a liquid state to a gaseous state

elasticity

a measure of how much light or heat bounces back from an object

ductility

the tendency of an object to bend under pressure and return to its original position when that pressure is removed

reflectivity

the ability to allow something else to pass through it (e.g. water through soil, Oxygen through a membrane)

permeability

the ability to lengthen a substance like a wire without it breaking

Match the following

opacity

a chemical property 

viscosity

the way light interacts with the surface of a crystal, rock, or mineral

strength

the thickness, stickiness, or resistance to flow of a liquid

solubility

how much pressure a substance can take without bending or breaking

hardness

the ability of a substance to form a solution with another substance

luster

the ability of a substance to allow light to  pass through it

reactivity

the resistance of a solid to scratching 

mL

Volume

g/ml

Density

s

Time

N/m2   (or PSI in the British System) Force divided by a unit of area