WorksheetsReview for Chemistry Fall Final
Total questions: 29
Worksheet time: 36mins
A physical change to matter can be reversed, whereas a chemical change cannot. In which of the following scenarios is a physical change taking place?
Gas is produced when sodium mixes with water.
A fireplace is burning wood.
Liquid water turns to a vapor at 100°C.
A cracker is being digested in the stomach.
In which of the following scenarios is a chemical change taking place?
Gas is produced when sodium mixes with water.
Sugar dissolves when poured into tea.
Liquid water turns to a vapor at 100°C.
Quartz crystal fractures when struck.
Which of the following is an example of intensive property?
volume
density
length
mass
Which of the following is an example of an extensive property?
weight
density
concentration
temperature
Which of these is a pure substance?
bread
sodium chloride
garden soil
sea water
Which of these is a mixture?
Salt water
Distilled water
A nugget of gold
A molecule of Oxygen
Which of these is most electronegative?
aluminum
oxygen
sulfur
neon
Which of the following is NOT an alkali metal
Li
Mg
K
Cs
What is the average mass of this element?
How many protons does this element have?
1s22s22p63s2
What is the electron configuration for Rubidium (Rb)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p7
Select the correct order of waves on the EMS
Radio, Micro, Infra, Visible, UV, X-ray, Gamma
Gamma, X-ray, UV, Vis, Infra, Micro, Radio
Vis, Micro, Infra, UV, X-ray, Gamma, Radio
Micro, Radio, Vis, Infra, UV, X-ray, Gamma
Electrons were first discovered in which experiment?
Democritis' philosphical experiment
Thompson's cathode ray experiment
Rutherford's gold foil experiment
Dalton's billiard ball experiment
What VSEPR structure does CO2 form?
Bent
Linear
Trigonal Planar
Tetrahedral
What VSEPR structure is this?
Trigonal Pyrimidal
Trigonal Planar
Tetrahedral
Bent
What wave have more energy than UV?
microwave
visible light
gamma
radio waves
