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. Compounds disassociate in solution to + or - particles
acids contain
concentration of solution is
proton =
ions form when
2. Simplest chemical substances
compounds
charted by
acids contain
elements
3. 7
Avogadro proposed that
strong base
neutral pH
ions
4. A solution becomes super - saturated or concentration exceeds solubility
electron =
liqids take on shape
precipitation of a salt occurs when
melt when heated - vaporize slightly
5. Bases
left side of periodic table
acids contain
Distillation
solid - liquid - gas is dependent on
6. Gained
- ions have _____ electrons
Avogadro's number =
solid - liquid - gas is dependent on
solids characterized by
7. Small - dense nucleus of protons and neutrons
chemists
atom
vertical columns
soltion
8. 10
metals have _____ valences
weak base
proton =
strong acid pH
9. Element behavior repeats every 8 atomic number
octet rule
neutral pH
number of neutrons almost equals
Russian Mendeleev (1869)
10. Of containers - and can not be compressed
gas expands
ionic bond
charted by
liqids take on shape
11. Electrons to form a covalent bond
compounds written with
electrically neutral atoms may share
law of conservation of mass
solid - liquid - gas is dependent on
12. Smallest partical atom makes up elements which makes up compounds
vertical columns
Boyle's Law
gas volums is determined by
Englishman John Dalton (1805)
13. By nucleus
neutral pH
metals have _____ valences
size of atom determine
ions
14. 1
electronis are in shells around
electron =
liquid state between
gas is a _____ fluid
15. Chemical nature
electronis are in shells around
the number of protons establishes
Englishman John Dalton (1805)
size of atom determine
16. There is no gain or loss of mass in a chemical change
weak base
law of conservation of mass
gas volums is determined by
chemical reactions show the
17. Homogeneous substance of constant composition formed by a chemical union of elements
Englishman John Dalton (1805)
compounds
bonds between atoms
compounds written with
18. Solid and gas
what acids and bases are measured by
Boyle's Law
compounds written with
liquid state between
19. Temperature and pressure
solubility of gases decreases
acids contain
neutralization
solid - liquid - gas is dependent on
20. Any tangible matter is _____ in nature
weak acid pH
valence number
Englishman John Dalton (1805)
chemical
21. 13
alkali metals
in most cases at least on ion is
nonmetals have ____ valences
strong base
22. Heat - light - catalyst
Avogadro proposed that
atomic weight determined
conditions necessary for reaction
elements
23. Some molecules in liquid have gained enough energy the attractive forces and become a gas
size of atom determine
solubility of gases decreases
number of neutrons almost equals
evaporization
24. water is a major constituent
law of conservation of mass
chemical reactions show the
solid - liquid - gas is dependent on
Of living creatures and the environment
25. water is boiled to...
Vapor
compounds
valence number
most compounds contain
26. Are electronic
gas is a _____ fluid
bonds between atoms
ions
proton =
27. water may be purified by...
gases are a swarm of
neutrons stabilize
nonmetals have ____ valences
Distillation
28. Increasing atomic # - left to right
electrically neutral atoms may share
Boyle's Law
concentration of solution is
charted by
29. Positive
metals have _____ valences
electron =
charted by
neutrons stabilize
30. Hydroxides of alkaline metals
melt when heated - vaporize slightly
Of living creatures and the environment
middle of periodic table
what bases contain
31. Attraction of different charges
ionic bond
soltion
liquid state between
vertical columns
32. As an ionic melt or solution conducts electricity
ions form when
liqids take on shape
electroloysis occurs
chemists
33. Compressible
what acids and bases dissociate in
weak base
gas is a _____ fluid
chemical elements
34. Smallest particles of chemical elements
neutrons stabilize
atoms
chemical reactions show the
strong base
35. With high temperature
pure water is a fine
number of neutrons almost equals
solubility of gases decreases
neutral pH
36. A mixture of two or more substances
aqueous solution has _____ as solvent
soltion
Boyle's Law
0 degrees celcius
37. Electrons = protons
solubility of gases decreases
soltion
electronically neutral atom
gas is a _____ fluid
38. Law of conversation of mass
chemists
+ ions have _____ electrons
most compounds contain
Frenchman Lavoisier (1780)
39. Reaction of an acid with a base (releases some heat)
what acids and bases are measured by
neutralization
in most cases at least on ion is
Avogadro proposed that
40. Increases with high temperatures
bonds between atoms
solubility of solids
aqueous solution has _____ as solvent
strong base
41. Solids
acids & bases
left side of periodic table
proton =
melt when heated - vaporize slightly
42. To full available space
gas expands
Frenchman Lavoisier (1780)
evaporization
Russian Mendeleev (1869)
43. The nucleus
alkali metals
number of neutrons almost equals
neutrons stabilize
strong base
44. water is impure with dissolved
Salts and gases
electroloysis occurs
atoms
+ ions have _____ electrons
45. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
- ions have _____ electrons
Salts and gases
elements
acids & bases
46. 0
what acids and bases are measured by
Of living creatures and the environment
neutron =
Russian Mendeleev (1869)
47. Water
in most cases at least on ion is
electrically neutral atoms may share
electroloysis occurs
aqueous solution has _____ as solvent
48. Boiling
100 degree celcius
atomic weight determined
soltion
- ions have _____ electrons
49. Metallic and nonmetallic elements in proportions so that their valences sum to zero
solubility of solids
ions form when
strong acid pH
most compounds contain
50. Aqueous solutions & modify the concentration of hydrogen ions
what acids and bases dissociate in
gases are a swarm of
gas volums is determined by
proton =