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. The science of substances that make up our world
matter
chemistry
what acids and bases dissociate in
- ions have _____ electrons
2. Protons + neutrons
solubility of gases decreases
mass =
gas volums is determined by
size of atom determine
3. Tiny molecules moving at a speed dependent on temperature
atoms
gases are a swarm of
solubility of gases decreases
Distillation
4. Chemical nature
the number of protons establishes
atomic weight determined
Englishman John Dalton (1805)
+ ions have _____ electrons
5. Simplest chemical substances
nucleus
most solutions have a _____ solvent
elements
electroloysis occurs
6. Devised periodic table
size of atom determine
Russian Mendeleev (1869)
Charles' Law
solid - liquid - gas is dependent on
7. Element behavior repeats every 8 atomic number
weak acid pH
electrolyte is a substance that
atomic weight determined
octet rule
8. Atoms with an electrical charge
solubility of solids
liquid state between
melt when heated - vaporize slightly
ions
9. Smallest partical atom makes up elements which makes up compounds
Frenchman Lavoisier (1780)
Englishman John Dalton (1805)
Russian Mendeleev (1869)
+1 --> +5
10. Gas volume varies directly with temperature
11. Occupies space and has mass
matter
aqueous solution has _____ as solvent
Englishman John Dalton (1805)
- ions have _____ electrons
12. water is boiled to...
concentration of solution is
electronically neutral atom
chemistry
Vapor
13. Boiling
neutrons stabilize
100 degree celcius
melt when heated - vaporize slightly
concentration of solution is
14. As an ionic melt or solution conducts electricity
Vapor
acids contain
alkali metals
electroloysis occurs
15. Atomic # = # of protons
weak acid pH
chemical elements
electrically neutral atoms may share
valence number
16. 1
+ ions have _____ electrons
strong acid pH
liquid state between
nonmetals have ____ valences
17. Study substances by measuring properties and observing changes
Boyle's Law
chemists
Englishman John Dalton (1805)
Russian Mendeleev (1869)
18. Reaction of an acid with a base (releases some heat)
Russian Mendeleev (1869)
neutralization
Distillation
ions
19. Are electronic
law of conservation of mass
bonds between atoms
conditions necessary for reaction
concentration of solution is
20. By nucleus
electroloysis occurs
size of atom determine
+1 --> +5
Avogadro proposed that
21. Group of elements with similar chemical properties
electron =
vertical columns
valence number
- ions have _____ electrons
22. Nuclear protons
Of living creatures and the environment
melt when heated - vaporize slightly
electronis are in shells around
the number of protons establishes
23. 6 x 10 (ss 23) in 22.4 liters of gas
24. There is no gain or loss of mass in a chemical change
compounds
ionic bond
aqueous solution has _____ as solvent
law of conservation of mass
25. The nucleus
concentration of solution is
acids contain
neutrons stabilize
nucleus
26. 1
chemists
chemical reactions show the
electron =
neutralization
27. water may be purified by...
Distillation
Salts and gases
left side of periodic table
melt when heated - vaporize slightly
28. Aqueous solutions & modify the concentration of hydrogen ions
what acids and bases dissociate in
soltion
valence number
what bases contain
29. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
acids & bases
most solutions have a _____ solvent
nucleus
gas expands
30. Smallest particles of chemical elements
atoms
liquid state between
neutron =
melt when heated - vaporize slightly
31. Dissociates to many ions capable of transporting electric charge
Avogadro proposed that
electrolyte is a substance that
Of living creatures and the environment
atomic weight determined
32. Compressible
chemical elements
Avogadro's number =
gas is a _____ fluid
Avogadro proposed that
33. Gained
atomic weight determined
Englishman John Dalton (1805)
- ions have _____ electrons
the number of protons establishes
34. Water
aqueous solution has _____ as solvent
most solutions have a _____ solvent
acids contain
strong base
35. Temperature and pressure
+ ions have _____ electrons
gas volums is determined by
the number of protons establishes
alkali metals
36. Solids
concentration of solution is
Frenchman Lavoisier (1780)
pure water is a fine
melt when heated - vaporize slightly
37. Of containers - and can not be compressed
liqids take on shape
concentration of solution is
Salts and gases
electron =
38. Hydroxides of alkaline metals
most solutions have a _____ solvent
what bases contain
Avogadro proposed that
solid - liquid - gas is dependent on
39. Electrons to form a covalent bond
conditions necessary for reaction
gases are a swarm of
electrically neutral atoms may share
pure water is a fine
40. By nucleus
+1 --> +5
atomic weight determined
ions
the number of protons establishes
41. Liquid
conditions necessary for reaction
most solutions have a _____ solvent
middle of periodic table
gases are a swarm of
42. Law of conversation of mass
electroloysis occurs
soltion
Frenchman Lavoisier (1780)
solid - liquid - gas is dependent on
43. 4
gas volums is determined by
weak acid pH
0 degrees celcius
charted by
44. PH
what acids and bases are measured by
law of conservation of mass
elements
ions
45. Symbols and subscripts showing number of atoms
electron =
subatomic particles
compounds written with
electrolyte is a substance that
46. 10
weak base
number of neutrons almost equals
most solutions have a _____ solvent
neutralization
47. Number of protons
number of neutrons almost equals
chemistry
conditions necessary for reaction
octet rule
48. Homogeneous substance of constant composition formed by a chemical union of elements
compounds
chemists
mass =
compounds written with
49. Small - dense nucleus of protons and neutrons
neutrons stabilize
makeup of atom
atom
Avogadro proposed that
50. Insulator - but may be a conductor by adding an electrolyte
electronically neutral atom
pure water is a fine
gas is a _____ fluid
most compounds contain