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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. + 1
middle of periodic table
metals have _____ valences
proton =
conditions necessary for reaction
2. Nuclear protons
alkali metals
electronis are in shells around
elements
bonds between atoms
3. Increases with high temperatures
0 degrees celcius
soltion
atoms
solubility of solids
4. Are electronic
Russian Mendeleev (1869)
matter
bonds between atoms
precipitation of a salt occurs when
5. Freezing
strong base
electron =
0 degrees celcius
mass =
6. Tiny molecules moving at a speed dependent on temperature
gases are a swarm of
octet rule
solid - liquid - gas is dependent on
valence number
7. Electrons = protons
Avogadro proposed that
Avogadro's number =
electronically neutral atom
evaporization
8. Attraction of different charges
electronis are in shells around
solubility of solids
vertical columns
ionic bond
9. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
elements
neutrons stabilize
- ions have _____ electrons
Avogadro proposed that
10. Gas volume varies directly with temperature
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11. water may be purified by...
Distillation
neutron =
gas is a _____ fluid
nonmetals have ____ valences
12. Element behavior repeats every 8 atomic number
gas volums is determined by
octet rule
Distillation
liqids take on shape
13. The nucleus
Boyle's Law
ions form when
nucleus
neutrons stabilize
14. Gained
Englishman John Dalton (1805)
- ions have _____ electrons
electronis are in shells around
strong base
15. Metallic and nonmetallic elements in proportions so that their valences sum to zero
elements
conditions necessary for reaction
most compounds contain
+1 --> +5
16. 7
+ ions have _____ electrons
chemical reactions show the
neutral pH
solubility of solids
17. Dissociates to many ions capable of transporting electric charge
Boyle's Law
electrolyte is a substance that
nucleus
melt when heated - vaporize slightly
18. Increasing atomic # - left to right
octet rule
charted by
gas is a _____ fluid
acids & bases
19. Smallest particles of chemical elements
vertical columns
valence number
atoms
solubility of gases decreases
20. 6 x 10 (ss 23) in 22.4 liters of gas
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21. Negative
compounds written with
proton =
nonmetals have ____ valences
what acids and bases dissociate in
22. Lost
+ ions have _____ electrons
Of living creatures and the environment
chemical
chemistry
23. Simplest chemical substances
elements
melt when heated - vaporize slightly
ionic bond
chemistry
24. Smallest partical atom makes up elements which makes up compounds
chemical
acids contain
Englishman John Dalton (1805)
ionic bond
25. Atoms with an electrical charge
neutralization
bonds between atoms
ions
mass =
26. Temperature and pressure
Avogadro proposed that
gas volums is determined by
neutralization
chemical
27. Law of conversation of mass
Frenchman Lavoisier (1780)
number of neutrons almost equals
strong acid pH
0 degrees celcius
28. Positive
Salts and gases
metals have _____ valences
Englishman John Dalton (1805)
right side of periodic table
29. Compounds disassociate in solution to + or - particles
ions form when
atoms
strong base
what acids and bases are measured by
30. Chemical nature
aqueous solution has _____ as solvent
the number of protons establishes
number of neutrons almost equals
+1 --> +5
31. To full available space
left side of periodic table
Salts and gases
gas expands
chemical elements
32. Protons + neutrons
neutralization
mass =
Frenchman Lavoisier (1780)
neutron =
33. 4 <-- 0
+1 --> +5
100 degree celcius
aqueous solution has _____ as solvent
subatomic particles
34. Small - dense nucleus of protons and neutrons
nonmetals have ____ valences
nucleus
Charles' Law
atom
35. PH
aqueous solution has _____ as solvent
what acids and bases are measured by
electron =
acids & bases
36. 1
concentration of solution is
makeup of atom
solubility of a substance is
electron =
37. Amount of solute dissolved in a standard unit of solvent
atoms
most solutions have a _____ solvent
weak base
concentration of solution is
38. Some molecules in liquid have gained enough energy the attractive forces and become a gas
most solutions have a _____ solvent
evaporization
charted by
100 degree celcius
39. Atomic # = # of protons
subatomic particles
chemical elements
nucleus
ions
40. water is boiled to...
Vapor
chemical
conditions necessary for reaction
solubility of gases decreases
41. Concentration of solute that a solution can hold
elements
alkali metals
solubility of a substance is
atom
42. Splitting of atom
subatomic particles
Salts and gases
middle of periodic table
compounds
43. Devised periodic table
solubility of solids
Russian Mendeleev (1869)
number of neutrons almost equals
what bases contain
44. Hydroxides of alkaline metals
what bases contain
vertical columns
charted by
middle of periodic table
45. Temperature and pressure
neutral pH
solid - liquid - gas is dependent on
atomic weight determined
metals have _____ valences
46. Homogeneous substance of constant composition formed by a chemical union of elements
charted by
atoms
compounds
solid - liquid - gas is dependent on
47. Complex (containing several atoms)
compounds written with
in most cases at least on ion is
most solutions have a _____ solvent
Charles' Law
48. By nucleus
evaporization
most compounds contain
Russian Mendeleev (1869)
size of atom determine
49. Electrons surround
nucleus
soltion
neutrons stabilize
electrically neutral atoms may share
50. Bases
left side of periodic table
Of living creatures and the environment
Englishman John Dalton (1805)
what acids and bases dissociate in