SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Some molecules in liquid have gained enough energy the attractive forces and become a gas
+ ions have _____ electrons
gas is a _____ fluid
Avogadro's number =
evaporization
2. Symbols and subscripts showing number of atoms
atoms
metals have _____ valences
compounds written with
what acids and bases are measured by
3. Heat - light - catalyst
precipitation of a salt occurs when
electronis are in shells around
conditions necessary for reaction
makeup of atom
4. Number of protons
number of neutrons almost equals
weak acid pH
Vapor
aqueous solution has _____ as solvent
5. Electrons = protons
weak base
electronically neutral atom
Boyle's Law
Charles' Law
6. Compounds disassociate in solution to + or - particles
ions form when
+1 --> +5
charted by
matter
7. Homogeneous substance of constant composition formed by a chemical union of elements
Charles' Law
vertical columns
electronis are in shells around
compounds
8. Liquid
chemical
in most cases at least on ion is
matter
most solutions have a _____ solvent
9. Element behavior repeats every 8 atomic number
solid - liquid - gas is dependent on
octet rule
solubility of a substance is
Of living creatures and the environment
10. Volume varies inversely with pressure
11. Increases with high temperatures
atom
charted by
solubility of solids
the number of protons establishes
12. By nucleus
law of conservation of mass
size of atom determine
the number of protons establishes
atom
13. Reaction of an acid with a base (releases some heat)
Russian Mendeleev (1869)
in most cases at least on ion is
neutralization
gas volums is determined by
14. Compressible
neutrons stabilize
Vapor
Avogadro proposed that
gas is a _____ fluid
15. water is a major constituent
Of living creatures and the environment
nucleus
concentration of solution is
neutron =
16. Smallest particles of chemical elements
Charles' Law
atoms
middle of periodic table
gas is a _____ fluid
17. Splitting of atom
gases are a swarm of
solubility of gases decreases
subatomic particles
bonds between atoms
18. Are electronic
gases are a swarm of
law of conservation of mass
+1 --> +5
bonds between atoms
19. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
neutral pH
chemistry
size of atom determine
acids & bases
20. Amount of solute dissolved in a standard unit of solvent
pure water is a fine
concentration of solution is
makeup of atom
gases are a swarm of
21. Dissociates to many ions capable of transporting electric charge
electrolyte is a substance that
electrically neutral atoms may share
law of conservation of mass
Distillation
22. PH
neutrons stabilize
Englishman John Dalton (1805)
solubility of a substance is
what acids and bases are measured by
23. 4
weak acid pH
concentration of solution is
liquid state between
Englishman John Dalton (1805)
24. No chemical compounds
right side of periodic table
alkali metals
Of living creatures and the environment
evaporization
25. With high temperature
solubility of gases decreases
weak acid pH
100 degree celcius
charted by
26. 0
neutron =
bonds between atoms
Distillation
Avogadro's number =
27. Aqueous solutions & modify the concentration of hydrogen ions
soltion
weak base
neutralization
what acids and bases dissociate in
28. Gained
Vapor
neutron =
evaporization
- ions have _____ electrons
29. Freezing
0 degrees celcius
solubility of gases decreases
pure water is a fine
neutralization
30. Tiny molecules moving at a speed dependent on temperature
mass =
neutral pH
size of atom determine
gases are a swarm of
31. Acids
middle of periodic table
Salts and gases
Frenchman Lavoisier (1780)
concentration of solution is
32. Number of molecules of formula units of the reactants and products
atoms
bonds between atoms
chemical elements
chemical reactions show the
33. Concentration of solute that a solution can hold
concentration of solution is
solubility of a substance is
Englishman John Dalton (1805)
melt when heated - vaporize slightly
34. 4 <-- 0
+1 --> +5
electroloysis occurs
most compounds contain
aqueous solution has _____ as solvent
35. water may be purified by...
evaporization
Distillation
what acids and bases are measured by
chemists
36. Temperature and pressure
neutral pH
Distillation
solid - liquid - gas is dependent on
gas volums is determined by
37. Simplest chemical substances
concentration of solution is
proton =
Distillation
elements
38. water is impure with dissolved
Salts and gases
ions
chemistry
octet rule
39. Atomic # = # of protons
chemical elements
Avogadro's number =
liqids take on shape
ions form when
40. Hydroxides of alkaline metals
ions
Charles' Law
conditions necessary for reaction
what bases contain
41. The nucleus
0 degrees celcius
neutrons stabilize
Englishman John Dalton (1805)
ionic bond
42. Bases
solubility of gases decreases
left side of periodic table
strong acid pH
solubility of solids
43. Positive
metals have _____ valences
electronis are in shells around
solid - liquid - gas is dependent on
electrically neutral atoms may share
44. As an ionic melt or solution conducts electricity
size of atom determine
metals have _____ valences
conditions necessary for reaction
electroloysis occurs
45. Complex (containing several atoms)
electron =
most compounds contain
liquid state between
in most cases at least on ion is
46. Devised periodic table
Vapor
atom
charted by
Russian Mendeleev (1869)
47. Electrons to form a covalent bond
size of atom determine
compounds
Charles' Law
electrically neutral atoms may share
48. Solids
melt when heated - vaporize slightly
chemists
the number of protons establishes
left side of periodic table
49. Boiling
octet rule
alkali metals
100 degree celcius
metals have _____ valences
50. Study substances by measuring properties and observing changes
atomic weight determined
chemists
acids & bases
makeup of atom