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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. water may be purified by...
Distillation
soltion
Avogadro proposed that
bonds between atoms
2. Smallest partical atom makes up elements which makes up compounds
Englishman John Dalton (1805)
Frenchman Lavoisier (1780)
electroloysis occurs
+1 --> +5
3. Electrons = protons
mass =
matter
Englishman John Dalton (1805)
electronically neutral atom
4. Compressible
solubility of solids
gas is a _____ fluid
nucleus
neutrons stabilize
5. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
proton =
Avogadro proposed that
neutral pH
acids & bases
6. Summarizes the chemical behavior of the element
atom
acids & bases
solids characterized by
valence number
7. Homogeneous substance of constant composition formed by a chemical union of elements
electronically neutral atom
gas is a _____ fluid
compounds
soltion
8. Reaction of an acid with a base (releases some heat)
0 degrees celcius
what acids and bases dissociate in
neutralization
gas expands
9. Reactive - form bases
weak base
100 degree celcius
alkali metals
atoms
10. Occupies space and has mass
acids & bases
solubility of gases decreases
pure water is a fine
matter
11. Any tangible matter is _____ in nature
chemical
left side of periodic table
melt when heated - vaporize slightly
compounds written with
12. 7
neutral pH
solids characterized by
ions
evaporization
13. Some molecules in liquid have gained enough energy the attractive forces and become a gas
evaporization
conditions necessary for reaction
in most cases at least on ion is
valence number
14. Volume varies inversely with pressure
15. Nuclear protons
electrically neutral atoms may share
neutral pH
electronis are in shells around
nucleus
16. 13
ions form when
compounds written with
acids contain
strong base
17. Hydrogen that is loosely bound
what acids and bases dissociate in
neutral pH
acids contain
solid - liquid - gas is dependent on
18. Liquid
Frenchman Lavoisier (1780)
neutral pH
gas volums is determined by
most solutions have a _____ solvent
19. 0
left side of periodic table
compounds
chemical elements
neutron =
20. Devised periodic table
electroloysis occurs
atoms
vertical columns
Russian Mendeleev (1869)
21. + 1
weak acid pH
proton =
what bases contain
Charles' Law
22. Gained
concentration of solution is
electroloysis occurs
chemical reactions show the
- ions have _____ electrons
23. Study substances by measuring properties and observing changes
vertical columns
number of neutrons almost equals
chemists
atom
24. Boiling
chemists
electronis are in shells around
concentration of solution is
100 degree celcius
25. Are electronic
acids & bases
precipitation of a salt occurs when
bonds between atoms
chemistry
26. Concentration of solute that a solution can hold
pure water is a fine
middle of periodic table
+1 --> +5
solubility of a substance is
27. 4 <-- 0
mass =
+1 --> +5
compounds written with
solid - liquid - gas is dependent on
28. 6 x 10 (ss 23) in 22.4 liters of gas
29. Insulator - but may be a conductor by adding an electrolyte
liquid state between
atomic weight determined
left side of periodic table
pure water is a fine
30. Complex (containing several atoms)
in most cases at least on ion is
bonds between atoms
weak base
Englishman John Dalton (1805)
31. Law of conversation of mass
Frenchman Lavoisier (1780)
most compounds contain
atoms
solubility of solids
32. As an ionic melt or solution conducts electricity
- ions have _____ electrons
what bases contain
evaporization
electroloysis occurs
33. Number of protons
Avogadro proposed that
liquid state between
number of neutrons almost equals
left side of periodic table
34. Atoms with an electrical charge
Of living creatures and the environment
ions
most solutions have a _____ solvent
pure water is a fine
35. 4
solubility of solids
weak acid pH
solid - liquid - gas is dependent on
what acids and bases dissociate in
36. Positive
neutral pH
solubility of solids
gas volums is determined by
metals have _____ valences
37. A mixture of two or more substances
what acids and bases dissociate in
neutron =
soltion
nucleus
38. Gas volume varies directly with temperature
39. Chemical nature
what acids and bases dissociate in
atomic weight determined
the number of protons establishes
Vapor
40. Bases
left side of periodic table
in most cases at least on ion is
nucleus
Frenchman Lavoisier (1780)
41. Smallest particles of chemical elements
atoms
pure water is a fine
electronically neutral atom
strong acid pH
42. The science of substances that make up our world
subatomic particles
solubility of gases decreases
law of conservation of mass
chemistry
43. Temperature and pressure
electrolyte is a substance that
liqids take on shape
gas volums is determined by
atomic weight determined
44. 1
ionic bond
alkali metals
electron =
atomic weight determined
45. A solution becomes super - saturated or concentration exceeds solubility
precipitation of a salt occurs when
Russian Mendeleev (1869)
gas expands
weak base
46. Lost
bonds between atoms
solubility of gases decreases
+ ions have _____ electrons
electronis are in shells around
47. Hydroxides of alkaline metals
electron =
compounds
neutron =
what bases contain
48. With high temperature
solubility of gases decreases
Frenchman Lavoisier (1780)
weak base
neutron =
49. Group of elements with similar chemical properties
octet rule
precipitation of a salt occurs when
vertical columns
Frenchman Lavoisier (1780)
50. By nucleus
0 degrees celcius
atomic weight determined
metals have _____ valences
mass =