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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. Splitting of atom
subatomic particles
strong acid pH
Salts and gases
Englishman John Dalton (1805)
2. Concentration of solute that a solution can hold
proton =
what bases contain
solubility of a substance is
pure water is a fine
3. Law of conversation of mass
Englishman John Dalton (1805)
Frenchman Lavoisier (1780)
Vapor
Avogadro's number =
4. Are electronic
+1 --> +5
metals have _____ valences
weak acid pH
bonds between atoms
5. Liquid
solubility of solids
what acids and bases are measured by
left side of periodic table
most solutions have a _____ solvent
6. Solids
neutralization
melt when heated - vaporize slightly
compounds written with
Avogadro's number =
7. Protons + neutrons
- ions have _____ electrons
electrolyte is a substance that
mass =
0 degrees celcius
8. Homogeneous substance of constant composition formed by a chemical union of elements
soltion
compounds
chemical elements
elements
9. Attraction of different charges
law of conservation of mass
+1 --> +5
Salts and gases
ionic bond
10. As an ionic melt or solution conducts electricity
alkali metals
Vapor
electroloysis occurs
electronically neutral atom
11. Some molecules in liquid have gained enough energy the attractive forces and become a gas
electron =
matter
Russian Mendeleev (1869)
evaporization
12. Negative
chemical elements
proton =
gas expands
nonmetals have ____ valences
13. Complex (containing several atoms)
in most cases at least on ion is
atoms
middle of periodic table
electroloysis occurs
14. A mixture of two or more substances
solubility of gases decreases
0 degrees celcius
soltion
right side of periodic table
15. water is a major constituent
Vapor
Of living creatures and the environment
neutral pH
Distillation
16. Electrons surround
octet rule
electrically neutral atoms may share
nucleus
valence number
17. Positive
solids characterized by
metals have _____ valences
Distillation
solid - liquid - gas is dependent on
18. Increasing atomic # - left to right
Of living creatures and the environment
mass =
liqids take on shape
charted by
19. Boiling
100 degree celcius
Charles' Law
electron =
Englishman John Dalton (1805)
20. Hydrogen that is loosely bound
size of atom determine
acids contain
liqids take on shape
strong base
21. Of containers - and can not be compressed
precipitation of a salt occurs when
Charles' Law
liqids take on shape
0 degrees celcius
22. 4 <-- 0
liquid state between
+1 --> +5
vertical columns
chemistry
23. Electrons = protons
Distillation
electronically neutral atom
acids & bases
solids characterized by
24. Dissociates to many ions capable of transporting electric charge
neutron =
ions
electrolyte is a substance that
soltion
25. Study substances by measuring properties and observing changes
strong acid pH
what bases contain
electrolyte is a substance that
chemists
26. 13
makeup of atom
Frenchman Lavoisier (1780)
strong base
gases are a swarm of
27. + 1
electron =
compounds written with
electronis are in shells around
proton =
28. 4
weak acid pH
Boyle's Law
nonmetals have ____ valences
Salts and gases
29. Number of protons
evaporization
neutralization
number of neutrons almost equals
gas volums is determined by
30. Atoms with an electrical charge
ions
chemical
most compounds contain
matter
31. Chemical nature
weak base
number of neutrons almost equals
the number of protons establishes
electron =
32. Amount of solute dissolved in a standard unit of solvent
liqids take on shape
left side of periodic table
neutrons stabilize
concentration of solution is
33. Smallest partical atom makes up elements which makes up compounds
conditions necessary for reaction
what bases contain
melt when heated - vaporize slightly
Englishman John Dalton (1805)
34. Volume varies inversely with pressure
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35. Hydroxides of alkaline metals
100 degree celcius
- ions have _____ electrons
what bases contain
charted by
36. Bases
left side of periodic table
what bases contain
Salts and gases
neutral pH
37. Devised periodic table
elements
+ ions have _____ electrons
Russian Mendeleev (1869)
conditions necessary for reaction
38. Metallic and nonmetallic elements in proportions so that their valences sum to zero
alkali metals
law of conservation of mass
most compounds contain
Vapor
39. There is no gain or loss of mass in a chemical change
neutron =
law of conservation of mass
precipitation of a salt occurs when
in most cases at least on ion is
40. Simplest chemical substances
elements
bonds between atoms
neutral pH
+1 --> +5
41. Tiny molecules moving at a speed dependent on temperature
conditions necessary for reaction
Avogadro's number =
weak base
gases are a swarm of
42. Insulator - but may be a conductor by adding an electrolyte
compounds
Vapor
electrolyte is a substance that
pure water is a fine
43. By nucleus
alkali metals
electronis are in shells around
Vapor
size of atom determine
44. Gas volume varies directly with temperature
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45. Aqueous solutions & modify the concentration of hydrogen ions
what acids and bases dissociate in
ions
matter
electron =
46. water may be purified by...
Of living creatures and the environment
solid - liquid - gas is dependent on
gases are a swarm of
Distillation
47. Acids
neutralization
middle of periodic table
chemical elements
electronis are in shells around
48. Reaction of an acid with a base (releases some heat)
chemists
neutralization
weak acid pH
liqids take on shape
49. Their ability to retain their shape
Englishman John Dalton (1805)
solids characterized by
octet rule
proton =
50. Freezing
solubility of a substance is
0 degrees celcius
compounds written with
alkali metals