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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
nonmetals have ____ valences
strong acid pH
chemical elements
chemical
2. Increasing atomic # - left to right
compounds written with
atom
charted by
chemical
3. Liquid
most solutions have a _____ solvent
Avogadro proposed that
gas is a _____ fluid
middle of periodic table
4. Protons (1 amu) - neutrons (1 amu) - electrons (0 amu)
makeup of atom
compounds
gas volums is determined by
nucleus
5. Gained
gas volums is determined by
solubility of solids
solubility of gases decreases
- ions have _____ electrons
6. The science of substances that make up our world
chemistry
Distillation
what acids and bases dissociate in
metals have _____ valences
7. Gas volume varies directly with temperature
8. water is impure with dissolved
strong acid pH
elements
- ions have _____ electrons
Salts and gases
9. Protons + neutrons
Avogadro's number =
mass =
subatomic particles
electron =
10. Metallic and nonmetallic elements in proportions so that their valences sum to zero
Distillation
soltion
most compounds contain
gas expands
11. Increases with high temperatures
solubility of solids
gases are a swarm of
alkali metals
what acids and bases are measured by
12. Volume varies inversely with pressure
13. Attraction of different charges
solubility of solids
neutral pH
ionic bond
acids & bases
14. 1
electron =
liqids take on shape
+ ions have _____ electrons
elements
15. Amount of solute dissolved in a standard unit of solvent
acids contain
concentration of solution is
right side of periodic table
gas is a _____ fluid
16. Number of protons
makeup of atom
soltion
number of neutrons almost equals
weak base
17. To full available space
gas expands
neutralization
strong acid pH
most compounds contain
18. Temperature and pressure
100 degree celcius
vertical columns
gas volums is determined by
aqueous solution has _____ as solvent
19. Electrons surround
nonmetals have ____ valences
nucleus
compounds written with
acids contain
20. Electrons = protons
strong acid pH
electronically neutral atom
solid - liquid - gas is dependent on
solubility of a substance is
21. Aqueous solutions & modify the concentration of hydrogen ions
electrolyte is a substance that
atomic weight determined
the number of protons establishes
what acids and bases dissociate in
22. Small - dense nucleus of protons and neutrons
atom
makeup of atom
left side of periodic table
charted by
23. Complex (containing several atoms)
subatomic particles
in most cases at least on ion is
gas is a _____ fluid
+1 --> +5
24. + 1
solid - liquid - gas is dependent on
proton =
soltion
solids characterized by
25. Smallest particles of chemical elements
atoms
proton =
Russian Mendeleev (1869)
Salts and gases
26. Splitting of atom
solid - liquid - gas is dependent on
subatomic particles
alkali metals
concentration of solution is
27. Solids
the number of protons establishes
melt when heated - vaporize slightly
soltion
+1 --> +5
28. water is boiled to...
proton =
electrically neutral atoms may share
solids characterized by
Vapor
29. There is no gain or loss of mass in a chemical change
weak base
100 degree celcius
Distillation
law of conservation of mass
30. With high temperature
chemical reactions show the
Avogadro proposed that
solubility of gases decreases
atomic weight determined
31. Solid and gas
liquid state between
gas volums is determined by
+ ions have _____ electrons
gas is a _____ fluid
32. 7
the number of protons establishes
melt when heated - vaporize slightly
neutral pH
Avogadro's number =
33. The nucleus
right side of periodic table
solid - liquid - gas is dependent on
octet rule
neutrons stabilize
34. Insulator - but may be a conductor by adding an electrolyte
atoms
pure water is a fine
Englishman John Dalton (1805)
acids & bases
35. 4 <-- 0
chemistry
what acids and bases dissociate in
solubility of gases decreases
+1 --> +5
36. A solution becomes super - saturated or concentration exceeds solubility
aqueous solution has _____ as solvent
precipitation of a salt occurs when
liqids take on shape
Of living creatures and the environment
37. Dissociates to many ions capable of transporting electric charge
bonds between atoms
matter
electrolyte is a substance that
Charles' Law
38. Temperature and pressure
solid - liquid - gas is dependent on
atomic weight determined
law of conservation of mass
Salts and gases
39. Element behavior repeats every 8 atomic number
Boyle's Law
liquid state between
octet rule
valence number
40. Reaction of an acid with a base (releases some heat)
Boyle's Law
matter
neutralization
most compounds contain
41. PH
electrically neutral atoms may share
neutrons stabilize
what acids and bases are measured by
solid - liquid - gas is dependent on
42. Water
precipitation of a salt occurs when
octet rule
solubility of gases decreases
aqueous solution has _____ as solvent
43. Simplest chemical substances
100 degree celcius
charted by
what bases contain
elements
44. Freezing
0 degrees celcius
chemical elements
mass =
Frenchman Lavoisier (1780)
45. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
nonmetals have ____ valences
Englishman John Dalton (1805)
Avogadro proposed that
liquid state between
46. Study substances by measuring properties and observing changes
vertical columns
chemists
chemical
+1 --> +5
47. By nucleus
ions
electronically neutral atom
solids characterized by
atomic weight determined
48. Chemical nature
the number of protons establishes
octet rule
atomic weight determined
what acids and bases dissociate in
49. Concentration of solute that a solution can hold
most compounds contain
gas is a _____ fluid
Charles' Law
solubility of a substance is
50. Their ability to retain their shape
solids characterized by
metals have _____ valences
law of conservation of mass
electrolyte is a substance that