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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. 13
ions form when
melt when heated - vaporize slightly
strong base
electroloysis occurs
2. Increases with high temperatures
solubility of solids
electron =
subatomic particles
size of atom determine
3. Freezing
0 degrees celcius
most solutions have a _____ solvent
acids contain
chemical reactions show the
4. Element behavior repeats every 8 atomic number
+ ions have _____ electrons
in most cases at least on ion is
octet rule
weak acid pH
5. By nucleus
size of atom determine
Vapor
solubility of solids
liqids take on shape
6. The nucleus
neutrons stabilize
Boyle's Law
pure water is a fine
weak base
7. Concentration of solute that a solution can hold
solubility of a substance is
atomic weight determined
Distillation
ions
8. 4
weak acid pH
electrically neutral atoms may share
what acids and bases are measured by
electron =
9. Any tangible matter is _____ in nature
what acids and bases are measured by
chemical
electroloysis occurs
octet rule
10. water is a major constituent
Of living creatures and the environment
weak base
chemistry
100 degree celcius
11. Bases
evaporization
neutron =
left side of periodic table
liquid state between
12. Electrons = protons
what acids and bases are measured by
solubility of solids
electronically neutral atom
electroloysis occurs
13. Amount of solute dissolved in a standard unit of solvent
atomic weight determined
neutron =
concentration of solution is
weak base
14. Electrons to form a covalent bond
electrically neutral atoms may share
gas volums is determined by
weak base
solubility of gases decreases
15. Smallest particles of chemical elements
atom
solubility of solids
aqueous solution has _____ as solvent
atoms
16. Summarizes the chemical behavior of the element
valence number
subatomic particles
proton =
neutralization
17. Increasing atomic # - left to right
charted by
what acids and bases dissociate in
Of living creatures and the environment
electronis are in shells around
18. Volume varies inversely with pressure
19. With high temperature
neutralization
solubility of gases decreases
electrically neutral atoms may share
strong acid pH
20. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
100 degree celcius
concentration of solution is
acids & bases
strong acid pH
21. Attraction of different charges
acids & bases
ionic bond
most compounds contain
mass =
22. To full available space
atoms
gas expands
solubility of a substance is
chemical elements
23. Hydrogen that is loosely bound
Avogadro proposed that
chemistry
acids contain
valence number
24. As an ionic melt or solution conducts electricity
electrolyte is a substance that
electroloysis occurs
concentration of solution is
chemical reactions show the
25. Devised periodic table
ionic bond
Russian Mendeleev (1869)
valence number
octet rule
26. Chemical nature
strong base
vertical columns
Russian Mendeleev (1869)
the number of protons establishes
27. Their ability to retain their shape
compounds
gas volums is determined by
solids characterized by
proton =
28. Simplest chemical substances
electronis are in shells around
elements
subatomic particles
left side of periodic table
29. Boiling
Boyle's Law
100 degree celcius
- ions have _____ electrons
+1 --> +5
30. + 1
what acids and bases dissociate in
proton =
makeup of atom
electroloysis occurs
31. Liquid
charted by
solids characterized by
most solutions have a _____ solvent
atoms
32. Temperature and pressure
Distillation
gas volums is determined by
Englishman John Dalton (1805)
solid - liquid - gas is dependent on
33. Compounds disassociate in solution to + or - particles
atom
electron =
electrolyte is a substance that
ions form when
34. Occupies space and has mass
precipitation of a salt occurs when
matter
Charles' Law
chemists
35. Number of protons
evaporization
electroloysis occurs
weak acid pH
number of neutrons almost equals
36. Lost
+ ions have _____ electrons
Russian Mendeleev (1869)
alkali metals
Distillation
37. PH
strong acid pH
- ions have _____ electrons
what acids and bases are measured by
metals have _____ valences
38. Homogeneous substance of constant composition formed by a chemical union of elements
neutron =
electroloysis occurs
compounds
gas volums is determined by
39. A solution becomes super - saturated or concentration exceeds solubility
charted by
Avogadro proposed that
precipitation of a salt occurs when
matter
40. Temperature and pressure
gas volums is determined by
valence number
solids characterized by
soltion
41. water is impure with dissolved
0 degrees celcius
nonmetals have ____ valences
Salts and gases
subatomic particles
42. Number of molecules of formula units of the reactants and products
soltion
chemical reactions show the
concentration of solution is
liqids take on shape
43. 1
neutralization
electron =
Salts and gases
solubility of gases decreases
44. Aqueous solutions & modify the concentration of hydrogen ions
chemists
what acids and bases dissociate in
gas is a _____ fluid
concentration of solution is
45. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
chemical reactions show the
proton =
number of neutrons almost equals
Avogadro proposed that
46. Insulator - but may be a conductor by adding an electrolyte
solid - liquid - gas is dependent on
left side of periodic table
middle of periodic table
pure water is a fine
47. 0
gas expands
conditions necessary for reaction
electrically neutral atoms may share
neutron =
48. Positive
solids characterized by
0 degrees celcius
metals have _____ valences
solid - liquid - gas is dependent on
49. Study substances by measuring properties and observing changes
valence number
pure water is a fine
chemists
matter
50. Splitting of atom
in most cases at least on ion is
gas expands
+ ions have _____ electrons
subatomic particles