Final Review 1-30 Questions (Ref.; Study Guide 423)
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PARTS OF AN ATOM AND PERIODIC TABLE
- 1.Which mixture is made of different materials and can be easity separated, for example, soil or trail mix?
- A.
Homogeneous mixtures
- B.
Heterogeneous mixtures
- C.
Compound
- D.
Element
- 2.What mixture cannot be separated easily and is blended together to look the same, for example, Kool-aid or soap mixed in water?
- A.
Heterogeneous mixtures
- B.
Homogeneous mixtures
- C.
Atom
- D.
Suspension
- 3.What is the smaller amount of material beign dissolved in a solution, for example, powder of Kool-Aid or detergent?
- A.
Solute
- B.
Solvent
- C.
Solution
- D.
Colloid
- 4.What is the larger amount of material used to dissolve the solute (smaller amount is the Kool-aid)?
- A.
Water
- B.
Solute
- C.
Solvent
- D.
Solution
- 5.What is a very well homogenous mixture having the same properties throughout and the particles are too small to settle out, for example, Kool-aid, coffee, or tea?
- A.
Solvent
- B.
Solute
- C.
Solution
- D.
Suspension
- 6.What type of solvent do scientist refer to as being water, because it dissolves so many things?
- A.
Universal studio
- B.
Universal solvent
- C.
Paint remover
- D.
Gasoline
- 7.What is another word that means - "will not dissolve"?
- A.
Insoluble
- B.
Unsoluble
- C.
Concrete
- D.
Suspension
- 8.What is another word meaning - "when something "dissolves"?
- A.
Insoluble
- B.
Solution
- C.
Solute
- D.
Soluble
- 9.What is the total amount of dissolved salt in a water sample?
- A.
Suspension
- B.
Colloid
- C.
Salinity
- D.
Salty
- 10.Which subatomic particles has a positive charge in the atom and located inside the nucleus of the atom?
- A.
Neutron
- B.
Electron
- C.
Proton
- D.
Valance electron
- 11.Whcih two subatomic particles are located inside the nucleus odf the atom?
- A.
Neutron and electron
- B.
Proton and electron
- C.
Electron and neutron
- D.
Proton and neutron
- 12.Which subatomic particle of an atom has a neutral charge and located inside the atom?
- A.
Electron
- B.
Proton
- C.
Neutron
- D.
Quark
- 13.Which subatomic particle has a negative charge and located around the orbits or energy levels of an atom?g
- A.
Electron
- B.
Proton
- C.
Neutron
- D.
Quark
- 14.Which variable in an experiement is the only one that scientist purposely changes in an experiment and it is the X axis or bottom axis on the graph?
- A.
Dependent variable
- B.
Constant variable
- C.
Independent variable
- D.
Responding variable
- 15.What are the steps called that a scfientist must follow to perform an experiment?
- A.
Recipe
- B.
Directions
- C.
Instructions
- D.
Scientific method
- 16.What is another word scientist use for "exact" when they perform an experiment several times to get the "perfect measurement"?
- A.
Educated guess
- B.
Work
- C.
Exact
- D.
Precise
- 17.What is the metric unit used to measure "length" or "distance"?
- A.
Miles
- B.
Meter
- C.
Liter
- D.
Gram
- 18.What is the metric unit used to measure volume or liquids?
- A.
Pints
- B.
Kiloliter
- C.
Gram
- D.
Meter
- 19.What scientific instrument is used to measure volume?
- A.
Triple beam balance
- B.
Spring scale
- C.
Meter stick
- D.
Graduated cylinder
- 20.What is the metric unit used to measure mass?
- A.
Liter
- B.
Pounds
- C.
Meter
- D.
Gram
- 21.What is the curved line on the graduated cylinder that must be at eye level to see the lowest part in order to measure volume?
- A.
Trough
- B.
Meniscus
- C.
Curve
- D.
Crest
- 22.What scientific instrument is used to measure force?
- A.
Triple beam balance
- B.
Graduated cylinder
- C.
Electronic scale
- D.
Spring scale
- 23.What scientific instrument is used to measure distance?
- A.
Yard stick
- B.
Meter stick
- C.
Kilograms
- D.
Milligram
- 24.What is the smallest piece of a nonliving particle of an element and known as the building block of all matter?
- A.
Cell
- B.
Molecule
- C.
Atom
- D.
Element
- 25.What is the basic unit of sturcture of all living things and is the smallest piece of a living thing?
- A.
Atom
- B.
Cell
- C.
Quark
- D.
Matter
- 26.What is the pure substance that cannot be broken down into another substance physically or chemically, for example, gold or oxygen?
- A.
Atom
- B.
Compound
- C.
Element
- D.
Molecule
- 27.What are two or more elements chemically combined?
- A.
Mixture
- B.
Compound
- C.
Element
- D.
Molecule
- 28.Which one is an element?
- A.
H2O
- B.
NaCl
- C.
CO2
- D.
H2
- 29.Which one is a compound?
- A.
N2
- B.
H2O
- C.
He
- D.
Na2
- 30.
- A.
Molecule
- B.
Atom
- C.
Cell
- D.
Element
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