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Test your basic knowledge |
CSET Chemistry
Start Test
Study First
Subjects
:
cset
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Solids
atoms
electronically neutral atom
melt when heated - vaporize slightly
size of atom determine
2. Liquid
most solutions have a _____ solvent
atoms
most compounds contain
pure water is a fine
3. Heat - light - catalyst
100 degree celcius
conditions necessary for reaction
compounds written with
neutral pH
4. Concentration of solute that a solution can hold
electrically neutral atoms may share
solubility of a substance is
Russian Mendeleev (1869)
gas is a _____ fluid
5. Atomic # = # of protons
what acids and bases are measured by
compounds
chemical elements
0 degrees celcius
6. Chemical nature
soltion
solid - liquid - gas is dependent on
octet rule
the number of protons establishes
7. 1
electron =
solids characterized by
gases are a swarm of
liqids take on shape
8. Solid and gas
Salts and gases
liquid state between
gas volums is determined by
ionic bond
9. Gas volume varies directly with temperature
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10. Temperature and pressure
atomic weight determined
acids contain
gas volums is determined by
matter
11. Number of protons
gas volums is determined by
most solutions have a _____ solvent
number of neutrons almost equals
compounds written with
12. Homogeneous substance of constant composition formed by a chemical union of elements
neutralization
compounds
- ions have _____ electrons
what acids and bases are measured by
13. Insulator - but may be a conductor by adding an electrolyte
mass =
middle of periodic table
pure water is a fine
size of atom determine
14. Any tangible matter is _____ in nature
chemical
bonds between atoms
melt when heated - vaporize slightly
Salts and gases
15. Devised periodic table
solid - liquid - gas is dependent on
Russian Mendeleev (1869)
chemical elements
Salts and gases
16. A mixture of two or more substances
atomic weight determined
soltion
chemists
liqids take on shape
17. Splitting of atom
elements
makeup of atom
metals have _____ valences
subatomic particles
18. Bases
Salts and gases
pure water is a fine
liquid state between
left side of periodic table
19. Simplest chemical substances
elements
Avogadro proposed that
matter
liqids take on shape
20. Positive
Frenchman Lavoisier (1780)
metals have _____ valences
atomic weight determined
middle of periodic table
21. Of containers - and can not be compressed
liqids take on shape
metals have _____ valences
solubility of a substance is
Vapor
22. 6 x 10 (ss 23) in 22.4 liters of gas
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23. 0
acids contain
compounds written with
neutron =
matter
24. Reactive - form bases
alkali metals
acids & bases
Of living creatures and the environment
chemical
25. 10
elements
electronically neutral atom
weak base
electroloysis occurs
26. Reaction of an acid with a base (releases some heat)
what acids and bases are measured by
neutralization
ionic bond
+ ions have _____ electrons
27. Increasing atomic # - left to right
acids contain
charted by
compounds
metals have _____ valences
28. Acids
alkali metals
Charles' Law
nonmetals have ____ valences
middle of periodic table
29. Attraction of different charges
weak base
vertical columns
liqids take on shape
ionic bond
30. By nucleus
Avogadro proposed that
atomic weight determined
valence number
- ions have _____ electrons
31. Temperature and pressure
Englishman John Dalton (1805)
atom
+1 --> +5
solid - liquid - gas is dependent on
32. Law of conversation of mass
liquid state between
valence number
right side of periodic table
Frenchman Lavoisier (1780)
33. water is impure with dissolved
Distillation
neutron =
Salts and gases
ionic bond
34. Compressible
strong acid pH
gas is a _____ fluid
soltion
metals have _____ valences
35. 1
Russian Mendeleev (1869)
strong acid pH
electrolyte is a substance that
Avogadro's number =
36. + 1
what bases contain
proton =
acids & bases
subatomic particles
37. Metallic and nonmetallic elements in proportions so that their valences sum to zero
solids characterized by
most compounds contain
neutron =
chemistry
38. The nucleus
subatomic particles
neutrons stabilize
ions
proton =
39. By nucleus
in most cases at least on ion is
electronically neutral atom
size of atom determine
Distillation
40. The science of substances that make up our world
Frenchman Lavoisier (1780)
acids & bases
compounds
chemistry
41. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
Avogadro proposed that
electron =
number of neutrons almost equals
left side of periodic table
42. Smallest partical atom makes up elements which makes up compounds
Englishman John Dalton (1805)
what bases contain
in most cases at least on ion is
compounds written with
43. Electrons to form a covalent bond
electronically neutral atom
- ions have _____ electrons
electrically neutral atoms may share
atoms
44. Study substances by measuring properties and observing changes
aqueous solution has _____ as solvent
chemists
pure water is a fine
electroloysis occurs
45. Nuclear protons
Boyle's Law
electroloysis occurs
Of living creatures and the environment
electronis are in shells around
46. Negative
nonmetals have ____ valences
- ions have _____ electrons
Charles' Law
ions
47. Amount of solute dissolved in a standard unit of solvent
concentration of solution is
most solutions have a _____ solvent
most compounds contain
ionic bond
48. Gained
- ions have _____ electrons
what bases contain
gas expands
gases are a swarm of
49. Aqueous solutions & modify the concentration of hydrogen ions
conditions necessary for reaction
Englishman John Dalton (1805)
liqids take on shape
what acids and bases dissociate in
50. Volume varies inversely with pressure
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