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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. 0
in most cases at least on ion is
neutron =
Boyle's Law
Vapor
2. Reactive - form bases
octet rule
vertical columns
soltion
alkali metals
3. water is boiled to...
+1 --> +5
atomic weight determined
Vapor
subatomic particles
4. + 1
proton =
atoms
bonds between atoms
neutrons stabilize
5. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
Avogadro proposed that
gas expands
compounds
gas is a _____ fluid
6. Summarizes the chemical behavior of the element
solubility of gases decreases
weak acid pH
valence number
number of neutrons almost equals
7. Small - dense nucleus of protons and neutrons
electronically neutral atom
electrolyte is a substance that
in most cases at least on ion is
atom
8. Aqueous solutions & modify the concentration of hydrogen ions
what acids and bases dissociate in
electrically neutral atoms may share
bonds between atoms
what acids and bases are measured by
9. There is no gain or loss of mass in a chemical change
chemists
octet rule
law of conservation of mass
- ions have _____ electrons
10. Electrons = protons
electronically neutral atom
Charles' Law
Of living creatures and the environment
what acids and bases dissociate in
11. Increasing atomic # - left to right
proton =
electroloysis occurs
electrically neutral atoms may share
charted by
12. Smallest particles of chemical elements
atoms
proton =
solubility of solids
Charles' Law
13. Solids
neutral pH
melt when heated - vaporize slightly
aqueous solution has _____ as solvent
octet rule
14. Smallest partical atom makes up elements which makes up compounds
Englishman John Dalton (1805)
octet rule
precipitation of a salt occurs when
metals have _____ valences
15. Atoms with an electrical charge
ions
neutron =
aqueous solution has _____ as solvent
most compounds contain
16. Homogeneous substance of constant composition formed by a chemical union of elements
compounds
most solutions have a _____ solvent
bonds between atoms
Distillation
17. By nucleus
weak base
what bases contain
atom
atomic weight determined
18. Devised periodic table
chemistry
Boyle's Law
Russian Mendeleev (1869)
law of conservation of mass
19. No chemical compounds
proton =
right side of periodic table
+1 --> +5
gas expands
20. Law of conversation of mass
Avogadro proposed that
Frenchman Lavoisier (1780)
what bases contain
valence number
21. Boiling
neutral pH
makeup of atom
100 degree celcius
atomic weight determined
22. Any tangible matter is _____ in nature
liqids take on shape
chemical
weak acid pH
gases are a swarm of
23. Study substances by measuring properties and observing changes
chemists
solubility of a substance is
Salts and gases
nucleus
24. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
+ ions have _____ electrons
Vapor
acids & bases
most compounds contain
25. Splitting of atom
conditions necessary for reaction
subatomic particles
neutralization
nucleus
26. Protons + neutrons
atom
valence number
mass =
neutral pH
27. Chemical nature
the number of protons establishes
vertical columns
Avogadro's number =
Englishman John Dalton (1805)
28. Tiny molecules moving at a speed dependent on temperature
number of neutrons almost equals
neutrons stabilize
elements
gases are a swarm of
29. Temperature and pressure
chemical
gas volums is determined by
evaporization
ions
30. Symbols and subscripts showing number of atoms
vertical columns
number of neutrons almost equals
compounds written with
what acids and bases are measured by
31. Compressible
concentration of solution is
in most cases at least on ion is
gas is a _____ fluid
right side of periodic table
32. Number of protons
neutral pH
Boyle's Law
liqids take on shape
number of neutrons almost equals
33. 13
strong base
0 degrees celcius
what bases contain
metals have _____ valences
34. Acids
vertical columns
middle of periodic table
atomic weight determined
Of living creatures and the environment
35. By nucleus
+ ions have _____ electrons
size of atom determine
vertical columns
atomic weight determined
36. Compounds disassociate in solution to + or - particles
ions form when
chemists
atom
compounds written with
37. Concentration of solute that a solution can hold
Avogadro's number =
solubility of a substance is
solubility of solids
right side of periodic table
38. Amount of solute dissolved in a standard unit of solvent
neutrons stabilize
+1 --> +5
concentration of solution is
chemical
39. To full available space
+1 --> +5
gas expands
mass =
left side of periodic table
40. Some molecules in liquid have gained enough energy the attractive forces and become a gas
what acids and bases are measured by
chemists
most compounds contain
evaporization
41. Electrons surround
atom
Frenchman Lavoisier (1780)
nucleus
- ions have _____ electrons
42. Reaction of an acid with a base (releases some heat)
the number of protons establishes
neutralization
chemistry
+ ions have _____ electrons
43. A mixture of two or more substances
chemists
gases are a swarm of
what bases contain
soltion
44. Bases
valence number
electronis are in shells around
elements
left side of periodic table
45. With high temperature
aqueous solution has _____ as solvent
gas is a _____ fluid
matter
solubility of gases decreases
46. Volume varies inversely with pressure
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47. Attraction of different charges
melt when heated - vaporize slightly
chemistry
ionic bond
right side of periodic table
48. Occupies space and has mass
electron =
ionic bond
Distillation
matter
49. PH
soltion
what acids and bases are measured by
precipitation of a salt occurs when
neutrons stabilize
50. 6 x 10 (ss 23) in 22.4 liters of gas
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