Unit 1 Review Questions - Part 1
Quiz by Heather Murphy [White MS]
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21 questions
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- Q1Pure substances, such as oxygen and carbon, are classified as:MoleculesGasesCompoundsElements30s
- Q2The definition of MATTER is:How much something weighs on the moonEnergy that is sped upAnything that has mass and volumeThe amount of space something takes up30s
- Q3What is the smallest unit of an element that still has the properties of that element?A compoundAn electronA moleculeAn atom30s
- Q4Particles that orbit around the center of an atom are called:OrbitalsSatellitesElectronsProtons30s
- Q5Subatomic particles with a negative charge are known as:ElectronsNeutronsProtonsQuarks30s
- Q6Subatomic particles with no charge are known as:ProtonsElectronsQuarksNeutrons30s
- Q7Subatomic particles with a positive charge are known as:QuarksElectronsNeutronsProtons30s
- Q8Imagine that you remove all of the atoms from this desk. What remains?A desk with a smaller massThe same deskNothingA pile of dust30s
- Q9All molecules are compounds?FalseTrue30s
- Q10All compounds are molecules.TrueFalse30s
- Q11This diagram shows an oxygen gas molecule. Oxygen gas is:A moleculeBoth a molecule and a compoundA compoundNeither a molecule nor a compound30s
- Q12This diagram shows a methane gas molecule. Methane is:A moleculeNeither a molecule nor a compoundBoth a molecule and a compoundA compound30s
- Q13During a chemical reaction:Two of these are correctNew atoms formChemical bonds breakMatter is destroyed30s
- Q14Which of the following is a synthetic substance?CottonPlasticWoodWater30s
- Q15A student puts two chemicals into a sealed container so nothing can get in or out. A chemical reaction occurs inside the container. After the chemical reaction occurs, what happens to the weight of the container?The weight will depend on the type of chemical reaction that occursThe weight will increaseThe weight will stay the sameThe weight will decrease30s
