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Midterm Review
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Which tool can be used to measure mass?
A. Graduated cylinderB. BalanceC. RulerD. Thermometer
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Which of the following is a unit for volume? Choose all correct answers
A.gB.mLC.cm³D.m
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There is 50 mL of water in a cylinder. After a marble is added, the water level rises to 70mL. What is the volume of the marble?
A.120 mL C. 3500 mL
B. 20 mL D. 1.4 mL
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A box measures 5cm x 5cm x 2cm. What is the volume of the box?
A.12 cm C. 12 cm³
B.50 cm D. 50 cm³
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Mass is a measure of the—
A.Amount of matter in objectsB.Space objects occupyC.Distance between 2 pointsD.KE of the molecules in objects
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Which of the following IS NOT a physical property?
A.Luster (shiny)B.OdorC.pHD.Volume
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Which of the following is the best sign of a chemical reaction?
A.Odor changeB.Temperature/energy changeC.Gets bigger or smallerD.Color change
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Which of the following has definite volume, but no definite shape?
A.PlasmaB.SolidC.GasD.Liquid
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What is the independent variable in the table below?
Plant number
Light color Avg. daily growth
Total growth in 6 weeks
1 Sun light .5 cm 3.2 cm
2 Red .23 cm 2.1 cm
3 Green .1 cm .45 cm
A. Plant number C. Avg. daily growthB. Light color D. Total growth
Toward left—I manipulated this to affect growth
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What is the control group (plant) in the table below?
Plant number
Light color Avg. daily growth
Total growth in 6 weeks
1 Sun light .5 cm 3.2 cm2 Red .23 cm 2.1 cm3 Green .1 cm .45 cm
A. Plant 1
B. Plant 2
C. Plant 3I did not change the light for this one. I only observed it.
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Who proposed this model of the atom?
A.DaltonB.ThomsonC.BohrD.Rutherford
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Which is the most correct model of the atom?
A.
B.
C.
D.
Electron Cloud Model
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What type of element is nitrogen?
A.NonmetalB.MetalloidC.MetalD.Gas
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Which element is most reactive?
A.Neon—NeB.Aluminum-AlC.Potassium-KD.Magnesium-(Mg)
Left side of table
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Identify the element which is shiny, a good conductor, has 2 energy levels in the atom and 4 electrons.
A.NitrogenB.NeonC.BerylliumD.Sodium
Go through each property √X ?
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Which of the following is NOT true about the element Carbon? Select all correct answers.
A.It is a solidB.It has 8 protonsC. It has 12 neutronsD.It has 6 valence electrons
Add word “NOT” to your question
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Which is NOT true about the element potassium (K)?
A.It has 20 neutronsB.It has 1 valence electronC. It is in period 1D.It has similar properties to
Sodium (Na)
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Which element has 4 valence electrons?
A.Silicon (Si)B.Calcium (Ca)C.Beryllium (Be)D. Argon (Ar)
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Which of the following most likely forms a positive ion?
A.Lithium (Li)B.Boron (B)C.Helium (He)D.Oxygen (O)
Left side of table
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Which equation is balanced?
A. S8 + F2 ---> SF6
B. 4H2 + 2O2 ---> 4H2O
C. H2 + Cl2 ---> HCl
D. H2 + O2 ---> H2O
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Which of the following shows a covalent bond?
A.MgClB.NaO2
C.NO2
D.KF2
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IN which type of bond are electrons shared?
A.ConstantB.CovalentC.IronicD.Ionic
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IN which type of bond are electrons shared?
A.ConstantB.CovalentC.IronicD.Ionic
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What is formed when an atom loses electrons?
A. Neutral ionB. Positive compoundC. Positive ionD. Negative ion