CHEMISTRY ACELLUS
Predict the missing component in the nuclear equation. 11 11 C ----> B + X 6 5
0 e 1
Predict the missing component in the nuclear equation 11 0 C -----> X + e 6 1
11 B 5
Predict the missing component in the nuclear equation 131 0 I -----> X + e 53 -1
131 Xe 54
The third energy level can hold ______ electrons
18
Which orbital diagram represents fluorine (atomic number=9)?
1s=2 electrons 2s=2 electrons 2p=5 electrons
Which orbital diagram represents nitrogen (atomic number=7)?
1s=e electrons 2s=2 electrons 2p=3 electrons
What is the electron configuration for beryllium (atomic number=4)?
1s^2 2s^2
What is the electron configuration for aluminum( atomic number=13)?
1s^2 2s^2 2p^6 3s^2 3p^1
What is the electron configuration for chlorine (atomic number=17)?
1s^2 2s^2 2p^6 3s^2 3p^5
An s orbital can hold ______ electrons
2
An s sublevel can hold _____ electrons
2
The first energy level can hold ______ electrons.
2
Predict the missing component in the nuclear equation 231 0 X -----> Pa + e 91 -1
231 Th 90
Predict the missing component in the nuclear equation 238 4 U -----> He + X 92 2
234 Th 90
Manganese-55 has _______protons.
25
Which of the following is the correct way to express 0.0000321 in scientific notation?
3.21*10^-5
Which of the following is the correct way to express 3,753 in scientific notation?
3.753*10^3
Predict the missing component in the nuclear equation 230 Th ------->226Ra + X 90 88
4 He 2
Predict the missing component in the nuclear equaiton 238 234 U -----> Th + X 92 90
4 He 2
How many protons does Tin have?
50
Tin-118 has 50 protons, how many electrons does it have?
50 (# of protons= # of electrons)
How many electrons does Tin have?
50 (the atomic # is the number of electrons!!)
A p sublevel can hold ______ electrons
6
The second energy level can hold ______ electrons.
8
In this graphic, X represents which element? 40 X 20
Calcium
Chromatography is a method to separate a compound into its constituent elements(T/F)
False
The retention factor Rf, is not affected by temp. amount of material, or time(T/F)
False
The yellow colored blocks indicate the ________.
Halogens
Chromatography separates compound by weight. ________ materials will travel the farthest.
Light
In the graphic, X represents which element? 31 X 15
Phosphorus (P)
Which of the following is NOT a possible value, or range of values for Rf?
RF>1
Using the following diagram, how would you calculate the Rf, for the lightest material?
Rf=B/A
Who officially proposed that the colonists should consider formally declaring independence from Britain?
Richard Henry Lee
Three weeks after the first battle of the Revolutionary War, the colonists established a form of government under which assembly?
Second Continental Congress
In Kansas City, Missouri (elevation 1,026 feet) your mass is 58 kg. What is your mass in Portland (elevation 27 feet)?
The same as in Kansas City
What is the noble gas configuration for potassium (atomic number=19)?
[Ar]4s^1
What is the noble gas configuration for sodium(atomic number 11)?
[Ne]3s^1
The statement "If a plant receives fertilizer, then it will grow to be bigger than a plant that does not receive fertilizer" is an example of
a hypothesis
The statement "if I raise the temperature of a cup of water, then an increased amount of sugar will be dissolved" is an example of
a hypothesis
The statement "If I open the faucet then it will increase the flow of water" is an example of
a hypothesis (the if in the sentence)
In TLC, this is the coating material that absorbs the sample
absorbant
The orange colored blocks indicate the____.
alkali metals
The green colored blocks indicate the ________.
alkaline metals
In the graphic, 195 represents the _________. 195 Pt 78
atomic mass
Water and alcohol are easily separated by distillation because of their different_________.
boiling points
Classify the following as a chemical or physical property: Chlorine oxidizes bacterial cells
chemical
Classify the following as a chemical or physical property: Chlorofluorocarbons destroy ozone
chemical
Classify the following as a chemical or physical property: Hydrogen gas is combined with oxygen to form water.
chemical
Is the following a chemical or physical change? Burning wood to heat your house
chemical
Is the following a chemical or physical change? Electrolysis of water makes hydrogen and oxygen.
chemical
________ can be used to separate colors in dyes or markers.
chromatography
Identify the following as an element or compound Calcium chloride CaCl2
compound
Identify the following as an element or compound Copper (II) oxide (CuO)
compound
Identify the following as an element or compound Water H2O
compound
Identify the following as an element or compound sucrose/sugar C12H22O11
compound
The start of the American Revolution occurred when the colonists attempted to protect their arsenals of weapons at what location?
concord, MA
Liquids that do not mix can be separated by which technique?
decantation
Miscible liquids that have different boiling points can be separated by _________.
distillation
J.J Thomason discovered this particle in 1897, which was the first of the subatomic particles to be characterized.
electron
Which particle has a charge of -1?
electron
Which particle is found in orbit around the nucleus?
electron
Identify the following as an element or compound Aluminum Al
element
Identify the following as an element or compound Oxygen gas 02
element
Name the separation technique illustrated in the picture.
evaporation
A d orbital has a _______ shape.
four lobed and a dumbell
Classify the following as a heterogeneous mixture, homogenous mixture (solution), or a pure substance: chocolate chip cookie dough
heterogeneous mixture
Classify the following as a heterogeneous mixture, homogenous mixture (solution), or a pure substance: chocolate chip ice cream
heterogenous mixture
Classify the following as a heterogeneous mixture, homogenous mixture (solution), or a pure substance: hot coffee with sugar (completely dissolved)
homogenous mixture/solution
Classify the following as a heterogeneous mixture, homogenous mixture (solution), or a pure substance: lemonade with no pulp
homogenous mixture/solution
The arrow and green colored blocks indicate the _______ elements.
inner transition
In Boston (elevation 20 feet), you step on a scale and weigh 150 pounds, using the same scale on top of Mt. Everest (elevation 29029 feet) you would weigh ______.
less than in Boston
Two or more substances combined but not chemically are called a ________.
mixture
A planetary explorer vehicle on Earth weighs 1100 pounds, what would it weigh on the surface of Jupiter, which has 2.33 times the gravity of Earth?
more than on Earth
A planetary explorer vehicle on Earth weighs 1850 pounds, what would it weigh on the surface of Neptune, which has 1.2 times the gravity of Earth?
more than on Earth
On top of Mt. Yale in Colorado (elevation 14,202 feet), you step on a scale and weigh 183 pounds, using the same scale in New Orleans (elevation 4 feet) you would weigh ______.
more than on top of Mt. Yale
Which particle has a charge of zero?
neutron
Which particle has a mass of 1.67*10^-24 g and a charge of zero?
neutron
The arrow and white colored blocks indicate the _______ elements
noble gases
Classify the following as a chemical or physical property: Aluminum is shiny, silver color.
physical
Classify the following as a chemical or physical property: Chlorine gas is green in color
physical
Classify the following as a chemical or physical property: Table salt is white in appearance
physical
Classify the following as chemical or physical change: melting ice
physical
Is the following a chemical or physical change> Evaporation of water from a lake
physical
Is the following a chemical or physical change? Salt water evaporating leaving salt crystals behind
physical
Is the following a chemical or physical change? water vapor condensing to form rain
physical
Ernest Rutherford and Henry Mosely used this subatomic particle to differentiate atoms by their atomic number
proton
Which particle has a charge of +1?
proton
Classify the following as a heterogeneous mixture, homogenous mixture (solution), or a pure substance: aluminum foil
pure substance
Classify the following as a heterogeneous mixture, homogenous mixture (solution), or a pure substance: iron filling
pure substance
The statement "table salt is white and x=crystalline" is an example of
qualitative data
The statement "the sky is blue" is an example of
qualitative data
An aspirin tablet that contains 75 mg of aspirin and 325mg of inert materials is an example of
quantitative data
Why did the British try to take Concord on April 19, 1775?
the colonists had a weapons arsenal in Concord
To calculate an Rf for a compound, you divide the distance traveled by the compound by_________.
the distance the solvent traveled
A person has a mass of 70.0 kg on Earth, what would their mass be on the Moon, which has 1/6 the gravity of Earth?
the same as on Earth
A person has a mass of 80.0 kg on Earth, what would their mass be on Mercury, which has 1/3 the gravity of Earth?
the same as on Earth
How was Lexington a success for the colonists?
they were able to fain weapons from an arsenal in Lexington before British interference
The arrow blue colored blocks indicate the _______ elements
transition metals
A group or family represents a ______ in the periodic table
vertical column
Which pair of substances would be easy to separate using distillation?
water and alcohol
