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WorksheetsChemistry Review Game
Total questions: 25
Worksheet time: 57mins
Which of the following answers list the protons, neutrons, and electrons of the element Bismuth:
83, 126, 83
83, 83, 126
83, 127, 83
83, 83, 127
Is a substance that is made up of more than one element combined chemically an element, compound, or mixture?
element
mixture
compound
Calculate the average atomic mass of "Xx" using the following isotopes
Xx - 235. %Abundance: 0.720% amu: 235.044
Xx - 238. %Abundance: 99.280%. amu: 238.051
238.029
221.029
238.219
238.019
What has a head and a tail but no arms?
A coin
A snake
A clock
A watch
I'm tall when I'm young, and short when I'm old. What am I?
A car
A cat
A dog
A candle
What is the phase change from a solid to a gas called?
Condensation
Sublimation
Evaporation
Precipitation
Which of the following describes a heterogeneous colloid mixture?
a mixture with large sized particles that fall because of gravity
a mixture with intermediate sized particles that do not fall, but can be separated through other methods
What gets wetter as it dries?
A sandwich
A beach ball
A towel
A burger
What goes up but never comes down?
A balloon
Your age
The rain
Your hair
What is more useful when it is broken?
A promise
An egg
A snail
A hippopotamus
Calculate the mass of 12.5 x 1023 atoms of Magnesium
32.1
50.5
67.3
81.2
Calculate how many grams are in 4.5 moles of iron
251.33
302.10
What do the dots on a Lewis Dot Structure represent?
Electrons
Neutrons
Protons
Valence Electrons
What is the noble gas notation for Gold?
[Xe]6s25d9
[He]6s22d9
[Ne]6s24d9
[He]6s25d2
Atoms will gain or lose or share electrons to get the same electron configuration as a noble gas.
Octet Rule
Law of Conservation of Mass
Law of Definite Proportions
Law of Multiple Proportions
What is the energy of a wavelength of 540 nm?
3.7x10-19
8.2x10-12
How many moles are in 145 grams of NaOH
3.625
2.329
Calculate the mass of 3.42 x 1023 atoms of mercury
113.92
102.91
What is the mass of one mole of Al2O3
102
98
Does 6.74 x 1023 atoms of arsenic or 8.1 x 1023 atoms of bromine have a greater mass?
Arsenic
Bromine
What is the chemical formula for chromic acid?
H2CrO4
H2CrO3
H3CrO4
H2CrO4
An Ionic bond is between a metal and a metal.
True
False
What group number is halogens on the periodic table?
Group 18
Group 17
Group 2
Group 1
What is the electron configuration of Chlorine?
1s22s22p63p5
1s22s22p63p3
1s22s22p63p2
1s22s22p63p6
Which of the following is an example of a chemical reaction?
breaking glass
freezing water
burning paper
molding clay
