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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. With high temperature
left side of periodic table
solubility of gases decreases
atom
gas expands
2. + 1
nonmetals have ____ valences
- ions have _____ electrons
proton =
+1 --> +5
3. 1
ions
nucleus
Avogadro proposed that
electron =
4. Study substances by measuring properties and observing changes
number of neutrons almost equals
+1 --> +5
solid - liquid - gas is dependent on
chemists
5. Dissociates to many ions capable of transporting electric charge
electrolyte is a substance that
valence number
compounds written with
Avogadro proposed that
6. Atoms with an electrical charge
soltion
ions
atoms
size of atom determine
7. Smallest partical atom makes up elements which makes up compounds
metals have _____ valences
Englishman John Dalton (1805)
solids characterized by
acids contain
8. Simplest chemical substances
elements
the number of protons establishes
valence number
solubility of a substance is
9. Gained
electronically neutral atom
conditions necessary for reaction
- ions have _____ electrons
number of neutrons almost equals
10. Hydrogen that is loosely bound
chemists
solubility of gases decreases
acids contain
strong base
11. Electrons to form a covalent bond
ionic bond
electrically neutral atoms may share
Vapor
acids & bases
12. 10
weak base
Avogadro proposed that
solids characterized by
electronically neutral atom
13. water may be purified by...
law of conservation of mass
neutrons stabilize
proton =
Distillation
14. Aqueous solutions & modify the concentration of hydrogen ions
solubility of a substance is
liquid state between
Boyle's Law
what acids and bases dissociate in
15. Solid and gas
conditions necessary for reaction
liquid state between
neutrons stabilize
what bases contain
16. Smallest particles of chemical elements
atoms
+ ions have _____ electrons
solubility of gases decreases
charted by
17. Acids
chemical elements
middle of periodic table
+ ions have _____ electrons
gas is a _____ fluid
18. 0
most compounds contain
neutron =
gas volums is determined by
chemistry
19. Volume varies inversely with pressure
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20. By nucleus
0 degrees celcius
electrolyte is a substance that
atomic weight determined
Boyle's Law
21. Law of conversation of mass
Frenchman Lavoisier (1780)
charted by
Avogadro's number =
metals have _____ valences
22. PH
Distillation
what acids and bases are measured by
Avogadro's number =
conditions necessary for reaction
23. Heat - light - catalyst
charted by
solubility of solids
conditions necessary for reaction
right side of periodic table
24. A mixture of two or more substances
pure water is a fine
what acids and bases dissociate in
soltion
valence number
25. Lost
neutron =
electroloysis occurs
+ ions have _____ electrons
neutralization
26. A solution becomes super - saturated or concentration exceeds solubility
precipitation of a salt occurs when
matter
solids characterized by
atom
27. Homogeneous substance of constant composition formed by a chemical union of elements
conditions necessary for reaction
most compounds contain
chemical elements
compounds
28. water is a major constituent
Of living creatures and the environment
matter
evaporization
chemistry
29. Compressible
Distillation
the number of protons establishes
soltion
gas is a _____ fluid
30. Gas volume varies directly with temperature
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31. No chemical compounds
right side of periodic table
Russian Mendeleev (1869)
atom
Boyle's Law
32. Their ability to retain their shape
chemistry
neutralization
gas volums is determined by
solids characterized by
33. Element behavior repeats every 8 atomic number
ions form when
left side of periodic table
octet rule
Boyle's Law
34. Compounds disassociate in solution to + or - particles
ions form when
compounds
electroloysis occurs
the number of protons establishes
35. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
gas is a _____ fluid
compounds written with
acids & bases
neutron =
36. The science of substances that make up our world
what acids and bases dissociate in
ionic bond
chemistry
solid - liquid - gas is dependent on
37. There is no gain or loss of mass in a chemical change
chemical reactions show the
law of conservation of mass
- ions have _____ electrons
solids characterized by
38. Solids
Vapor
what bases contain
strong acid pH
melt when heated - vaporize slightly
39. Any tangible matter is _____ in nature
electroloysis occurs
solubility of gases decreases
chemical
octet rule
40. Atomic # = # of protons
ions form when
electronically neutral atom
100 degree celcius
chemical elements
41. Symbols and subscripts showing number of atoms
nonmetals have ____ valences
solubility of a substance is
compounds written with
charted by
42. Liquid
gases are a swarm of
most solutions have a _____ solvent
chemical reactions show the
compounds
43. Hydroxides of alkaline metals
ions
what bases contain
what acids and bases dissociate in
strong base
44. Protons + neutrons
right side of periodic table
charted by
mass =
atomic weight determined
45. Amount of solute dissolved in a standard unit of solvent
law of conservation of mass
concentration of solution is
elements
aqueous solution has _____ as solvent
46. 1
the number of protons establishes
electron =
liqids take on shape
strong acid pH
47. Water
aqueous solution has _____ as solvent
Englishman John Dalton (1805)
acids & bases
electrolyte is a substance that
48. 6 x 10 (ss 23) in 22.4 liters of gas
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49. Some molecules in liquid have gained enough energy the attractive forces and become a gas
conditions necessary for reaction
vertical columns
gas is a _____ fluid
evaporization
50. Boiling
100 degree celcius
acids contain
proton =
compounds