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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. Increases with high temperatures
neutral pH
Salts and gases
melt when heated - vaporize slightly
solubility of solids
2. Are electronic
bonds between atoms
metals have _____ valences
concentration of solution is
mass =
3. Their ability to retain their shape
gases are a swarm of
Distillation
electrically neutral atoms may share
solids characterized by
4. Lost
compounds
in most cases at least on ion is
+ ions have _____ electrons
gas volums is determined by
5. Homogeneous substance of constant composition formed by a chemical union of elements
strong base
what bases contain
compounds
bonds between atoms
6. Any tangible matter is _____ in nature
chemical
0 degrees celcius
neutrons stabilize
electronically neutral atom
7. Positive
ions
metals have _____ valences
liquid state between
nonmetals have ____ valences
8. Heat - light - catalyst
atoms
aqueous solution has _____ as solvent
conditions necessary for reaction
the number of protons establishes
9. PH
neutral pH
right side of periodic table
what acids and bases are measured by
charted by
10. 6 x 10 (ss 23) in 22.4 liters of gas
11. 0
valence number
what acids and bases dissociate in
neutron =
Vapor
12. The nucleus
conditions necessary for reaction
neutrons stabilize
middle of periodic table
valence number
13. Freezing
0 degrees celcius
solids characterized by
octet rule
weak base
14. Protons (1 amu) - neutrons (1 amu) - electrons (0 amu)
makeup of atom
soltion
alkali metals
strong acid pH
15. Water
Frenchman Lavoisier (1780)
in most cases at least on ion is
conditions necessary for reaction
aqueous solution has _____ as solvent
16. water is impure with dissolved
right side of periodic table
compounds written with
Salts and gases
gas is a _____ fluid
17. water may be purified by...
Distillation
electron =
precipitation of a salt occurs when
gas is a _____ fluid
18. Of containers - and can not be compressed
Distillation
Russian Mendeleev (1869)
ions
liqids take on shape
19. Electrons surround
nucleus
bonds between atoms
Of living creatures and the environment
most compounds contain
20. A mixture of two or more substances
compounds written with
solubility of gases decreases
soltion
solubility of solids
21. Law of conversation of mass
left side of periodic table
ions form when
Frenchman Lavoisier (1780)
solubility of solids
22. Metallic and nonmetallic elements in proportions so that their valences sum to zero
left side of periodic table
most compounds contain
bonds between atoms
weak base
23. To full available space
gas expands
valence number
solids characterized by
Russian Mendeleev (1869)
24. Temperature and pressure
neutralization
Of living creatures and the environment
aqueous solution has _____ as solvent
gas volums is determined by
25. There is no gain or loss of mass in a chemical change
law of conservation of mass
neutron =
weak base
Frenchman Lavoisier (1780)
26. Compounds disassociate in solution to + or - particles
concentration of solution is
Boyle's Law
ions form when
compounds
27. Volume varies inversely with pressure
28. Tiny molecules moving at a speed dependent on temperature
gases are a swarm of
gas volums is determined by
conditions necessary for reaction
bonds between atoms
29. Aqueous solutions & modify the concentration of hydrogen ions
0 degrees celcius
electrically neutral atoms may share
Boyle's Law
what acids and bases dissociate in
30. Number of molecules of formula units of the reactants and products
law of conservation of mass
Avogadro's number =
ions
chemical reactions show the
31. water is boiled to...
charted by
Vapor
subatomic particles
what acids and bases dissociate in
32. + 1
compounds
electroloysis occurs
proton =
strong acid pH
33. Number of protons
Of living creatures and the environment
number of neutrons almost equals
neutron =
what acids and bases are measured by
34. Splitting of atom
the number of protons establishes
chemical elements
subatomic particles
acids & bases
35. Solid and gas
neutrons stabilize
the number of protons establishes
liquid state between
solubility of solids
36. Symbols and subscripts showing number of atoms
chemical reactions show the
compounds written with
ions form when
most solutions have a _____ solvent
37. Reaction of an acid with a base (releases some heat)
acids contain
Boyle's Law
neutralization
chemistry
38. Negative
aqueous solution has _____ as solvent
Boyle's Law
nonmetals have ____ valences
size of atom determine
39. Solids
electrolyte is a substance that
melt when heated - vaporize slightly
gas expands
chemists
40. 1
what acids and bases dissociate in
electron =
right side of periodic table
solubility of a substance is
41. Atoms with an electrical charge
Russian Mendeleev (1869)
pure water is a fine
in most cases at least on ion is
ions
42. Hydroxides of alkaline metals
what bases contain
Russian Mendeleev (1869)
Of living creatures and the environment
solid - liquid - gas is dependent on
43. By nucleus
strong acid pH
atomic weight determined
ions form when
weak base
44. Devised periodic table
100 degree celcius
Russian Mendeleev (1869)
solubility of a substance is
atomic weight determined
45. Atomic # = # of protons
mass =
chemical elements
gas is a _____ fluid
ions form when
46. Dissociates to many ions capable of transporting electric charge
electrolyte is a substance that
aqueous solution has _____ as solvent
chemists
metals have _____ valences
47. Small - dense nucleus of protons and neutrons
neutron =
atom
Charles' Law
+ ions have _____ electrons
48. Electrons = protons
law of conservation of mass
electronically neutral atom
0 degrees celcius
neutron =
49. Smallest particles of chemical elements
atoms
octet rule
Vapor
alkali metals
50. Chemical nature
the number of protons establishes
neutral pH
evaporization
pure water is a fine