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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. Hydroxides of alkaline metals
what bases contain
Vapor
valence number
ions
2. Tiny molecules moving at a speed dependent on temperature
makeup of atom
aqueous solution has _____ as solvent
Charles' Law
gases are a swarm of
3. 4
Of living creatures and the environment
strong acid pH
weak acid pH
octet rule
4. 13
strong base
elements
evaporization
left side of periodic table
5. 10
electrolyte is a substance that
conditions necessary for reaction
weak base
most solutions have a _____ solvent
6. Attraction of different charges
atom
most compounds contain
- ions have _____ electrons
ionic bond
7. water is impure with dissolved
valence number
Salts and gases
Charles' Law
0 degrees celcius
8. Symbols and subscripts showing number of atoms
0 degrees celcius
compounds written with
size of atom determine
octet rule
9. Occupies space and has mass
strong base
right side of periodic table
in most cases at least on ion is
matter
10. There is no gain or loss of mass in a chemical change
most solutions have a _____ solvent
the number of protons establishes
compounds
law of conservation of mass
11. Some molecules in liquid have gained enough energy the attractive forces and become a gas
weak acid pH
evaporization
pure water is a fine
Of living creatures and the environment
12. Increases with high temperatures
0 degrees celcius
solubility of solids
octet rule
atom
13. Number of protons
Avogadro's number =
matter
number of neutrons almost equals
acids & bases
14. Atoms with an electrical charge
ions
what acids and bases are measured by
Distillation
gas expands
15. Amount of solute dissolved in a standard unit of solvent
concentration of solution is
subatomic particles
chemical
liquid state between
16. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
nucleus
acids & bases
most compounds contain
bonds between atoms
17. Increasing atomic # - left to right
atoms
compounds
charted by
gas expands
18. The science of substances that make up our world
compounds written with
number of neutrons almost equals
chemistry
gases are a swarm of
19. Gained
- ions have _____ electrons
strong base
solubility of solids
Salts and gases
20. Devised periodic table
nucleus
atomic weight determined
acids & bases
Russian Mendeleev (1869)
21. Temperature and pressure
what acids and bases dissociate in
solid - liquid - gas is dependent on
Distillation
acids contain
22. Element behavior repeats every 8 atomic number
the number of protons establishes
octet rule
Of living creatures and the environment
ionic bond
23. Temperature and pressure
solubility of a substance is
gas volums is determined by
octet rule
Russian Mendeleev (1869)
24. Volume varies inversely with pressure
25. Number of molecules of formula units of the reactants and products
matter
atoms
gases are a swarm of
chemical reactions show the
26. Boiling
size of atom determine
pure water is a fine
100 degree celcius
matter
27. Nuclear protons
electronis are in shells around
Salts and gases
neutral pH
chemists
28. 4 <-- 0
melt when heated - vaporize slightly
+1 --> +5
electrically neutral atoms may share
weak base
29. Compressible
compounds
proton =
gas is a _____ fluid
0 degrees celcius
30. By nucleus
solubility of solids
solids characterized by
atomic weight determined
solubility of gases decreases
31. Chemical nature
neutralization
the number of protons establishes
right side of periodic table
in most cases at least on ion is
32. Liquid
electronis are in shells around
neutron =
most solutions have a _____ solvent
in most cases at least on ion is
33. Compounds disassociate in solution to + or - particles
acids contain
ions form when
Vapor
concentration of solution is
34. Splitting of atom
chemical reactions show the
subatomic particles
Russian Mendeleev (1869)
neutralization
35. Group of elements with similar chemical properties
ionic bond
middle of periodic table
vertical columns
atoms
36. Any tangible matter is _____ in nature
chemical
solids characterized by
proton =
law of conservation of mass
37. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
the number of protons establishes
solid - liquid - gas is dependent on
Avogadro proposed that
gas expands
38. Are electronic
atomic weight determined
aqueous solution has _____ as solvent
alkali metals
bonds between atoms
39. Solid and gas
what bases contain
100 degree celcius
liquid state between
electron =
40. Complex (containing several atoms)
Avogadro's number =
electron =
acids contain
in most cases at least on ion is
41. By nucleus
chemical
Of living creatures and the environment
size of atom determine
makeup of atom
42. 7
what acids and bases dissociate in
neutral pH
atoms
Vapor
43. Acids
middle of periodic table
neutral pH
what bases contain
the number of protons establishes
44. Insulator - but may be a conductor by adding an electrolyte
gas volums is determined by
charted by
Avogadro proposed that
pure water is a fine
45. Study substances by measuring properties and observing changes
aqueous solution has _____ as solvent
chemists
proton =
vertical columns
46. Homogeneous substance of constant composition formed by a chemical union of elements
ions
what bases contain
most solutions have a _____ solvent
compounds
47. Smallest particles of chemical elements
subatomic particles
alkali metals
atoms
octet rule
48. water is boiled to...
gas expands
Vapor
Frenchman Lavoisier (1780)
chemical reactions show the
49. Hydrogen that is loosely bound
number of neutrons almost equals
acids contain
ions form when
in most cases at least on ion is
50. Positive
melt when heated - vaporize slightly
chemistry
chemical reactions show the
metals have _____ valences