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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. Liquid
most solutions have a _____ solvent
nonmetals have ____ valences
Salts and gases
Russian Mendeleev (1869)
2. Insulator - but may be a conductor by adding an electrolyte
solubility of gases decreases
electroloysis occurs
liqids take on shape
pure water is a fine
3. PH
liquid state between
what acids and bases are measured by
electronically neutral atom
octet rule
4. Heat - light - catalyst
soltion
strong base
conditions necessary for reaction
law of conservation of mass
5. Volume varies inversely with pressure
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6. Increasing atomic # - left to right
bonds between atoms
octet rule
Charles' Law
charted by
7. Solids
melt when heated - vaporize slightly
strong acid pH
Frenchman Lavoisier (1780)
electronically neutral atom
8. Reaction of an acid with a base (releases some heat)
neutralization
melt when heated - vaporize slightly
chemical reactions show the
chemists
9. Attraction of different charges
aqueous solution has _____ as solvent
ionic bond
alkali metals
makeup of atom
10. Electrons surround
nucleus
chemical reactions show the
size of atom determine
evaporization
11. A solution becomes super - saturated or concentration exceeds solubility
Frenchman Lavoisier (1780)
precipitation of a salt occurs when
100 degree celcius
proton =
12. Water
solids characterized by
soltion
aqueous solution has _____ as solvent
precipitation of a salt occurs when
13. Metallic and nonmetallic elements in proportions so that their valences sum to zero
right side of periodic table
solid - liquid - gas is dependent on
most compounds contain
chemistry
14. The science of substances that make up our world
chemistry
- ions have _____ electrons
conditions necessary for reaction
neutrons stabilize
15. Any tangible matter is _____ in nature
solid - liquid - gas is dependent on
chemical
subatomic particles
electrolyte is a substance that
16. Number of protons
gas expands
number of neutrons almost equals
liquid state between
vertical columns
17. Are electronic
in most cases at least on ion is
octet rule
chemists
bonds between atoms
18. No chemical compounds
right side of periodic table
ions form when
in most cases at least on ion is
neutrons stabilize
19. water is a major constituent
Boyle's Law
Of living creatures and the environment
solid - liquid - gas is dependent on
liqids take on shape
20. Dissociates to many ions capable of transporting electric charge
+ ions have _____ electrons
what acids and bases are measured by
compounds
electrolyte is a substance that
21. Electrons to form a covalent bond
middle of periodic table
electrically neutral atoms may share
solid - liquid - gas is dependent on
atomic weight determined
22. Increases with high temperatures
weak acid pH
concentration of solution is
electronis are in shells around
solubility of solids
23. Smallest particles of chemical elements
atoms
atomic weight determined
compounds written with
Frenchman Lavoisier (1780)
24. Equal molecules are contained in equal volumes of all gases - if pressure and temp are identical
Avogadro proposed that
ionic bond
Charles' Law
Vapor
25. water is boiled to...
Vapor
Russian Mendeleev (1869)
valence number
what acids and bases dissociate in
26. Solid and gas
chemistry
0 degrees celcius
Salts and gases
liquid state between
27. Some molecules in liquid have gained enough energy the attractive forces and become a gas
liqids take on shape
left side of periodic table
evaporization
right side of periodic table
28. Occupies space and has mass
Avogadro's number =
nonmetals have ____ valences
matter
liquid state between
29. Complex (containing several atoms)
right side of periodic table
Frenchman Lavoisier (1780)
number of neutrons almost equals
in most cases at least on ion is
30. Small - dense nucleus of protons and neutrons
chemists
Charles' Law
Frenchman Lavoisier (1780)
atom
31. As an ionic melt or solution conducts electricity
neutron =
melt when heated - vaporize slightly
electroloysis occurs
elements
32. With high temperature
atoms
atom
Russian Mendeleev (1869)
solubility of gases decreases
33. Temperature and pressure
melt when heated - vaporize slightly
solid - liquid - gas is dependent on
Charles' Law
nucleus
34. A mixture of two or more substances
soltion
chemical
right side of periodic table
electronis are in shells around
35. water may be purified by...
alkali metals
Charles' Law
ionic bond
Distillation
36. Freezing
0 degrees celcius
weak acid pH
gas expands
Salts and gases
37. Simplest chemical substances
electroloysis occurs
middle of periodic table
elements
solubility of a substance is
38. Reactive - form bases
alkali metals
Englishman John Dalton (1805)
neutral pH
electronically neutral atom
39. 4
proton =
electrolyte is a substance that
weak acid pH
ionic bond
40. Study substances by measuring properties and observing changes
chemists
proton =
neutralization
makeup of atom
41. Acids
acids & bases
bonds between atoms
middle of periodic table
evaporization
42. Summarizes the chemical behavior of the element
compounds
Charles' Law
Of living creatures and the environment
valence number
43. 10
proton =
weak base
size of atom determine
nucleus
44. 1
strong acid pH
weak base
chemistry
in most cases at least on ion is
45. Amount of solute dissolved in a standard unit of solvent
atomic weight determined
Russian Mendeleev (1869)
ions
concentration of solution is
46. By nucleus
size of atom determine
Vapor
alkali metals
electron =
47. 7
gas is a _____ fluid
chemical reactions show the
neutral pH
valence number
48. Tiny molecules moving at a speed dependent on temperature
alkali metals
chemistry
0 degrees celcius
gases are a swarm of
49. Hydrogen that is loosely bound
Englishman John Dalton (1805)
in most cases at least on ion is
acids contain
Distillation
50. 13
pure water is a fine
strong base
chemists
Boyle's Law