Chemistry Exam 1

Last updated about 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 about 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
Nitrogen		solution
Air		the less reactive common gas in our atmosphere
Gold

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
Time		g
Pressure

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
S		the fuel for fusion reactions in the Sun and fusion bombs
O		Boron
F		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
H		Flourine
N		Sulfur

Match the following symbols with their name or description

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

Match the following symbols with their name or description

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

Match the following

Draggable item		Corresponding Item
Carbon Dioxide		Element
Seawater		Compound
Argon		Mixture

Draggable item		Corresponding Item
Nitrogen		solution
Air		the less reactive common gas in our atmosphere
Gold		reactive metal
Helium		inert Nobel gas
Potassium		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
Silver		Orange Rust
Coal		Black Tarnish
Copper		Green Cupric Oxide
Argon		Water
Hydrogen		Carbon Dioxide
Iron		Does not react with Oxygen

Match the following

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

Match the following

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

Match the following

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

S

the fuel for fusion reactions in the Sun and fusion bombs

O

Boron

F

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

H

Flourine

N

Sulfur

Be

Helium

He

this metals density makes it useful for electric car batteries

Li

Beryllium

Ca

an inert Noble gas used in signs

Ne

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

Si

essential to bone and shell strength and muscle and nerve function

Fe

Potassium

Cl

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

K

Iron

Na

Silver

Hg

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

Ag

Sodium

reactive metal

Helium

inert Nobel gas

Potassium

conductive nonreactive metal

Iodine

All of the above

Silver

Orange Rust

Coal

Black Tarnish

Copper

Green Cupric Oxide

Argon

Water

Hydrogen

Carbon Dioxide

Iron

Does not react with Oxygen

Match the following

surface tension

a chemical property 

density

the property that allows water striders to walk on water

mass

the amount of matter in a substance

flammability

the space a substance occupies

color

the mass of a substance divided by the space it occupies

volume

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

temperature

the average kinetic energy of the particles in a substance

Match the following

elasticity

a chemical property 

toxicity

the temperature at which a substance freezes

reflectivity

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

boiling point

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

permeability

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

melting point

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

ductility

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

Match the following

strength

a chemical property 

luster

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

solubility

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

viscosity

how much pressure a substance can take without bending or breaking

reactivity

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

hardness

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

opacity

the resistance of a solid to scratching 

mL

Mass

g/ml

Volume

s

Density

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