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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. A mixture of two or more substances
elements
solubility of gases decreases
precipitation of a salt occurs when
soltion
2. Atomic # = # of protons
electrically neutral atoms may share
chemical
gases are a swarm of
chemical elements
3. Some molecules in liquid have gained enough energy the attractive forces and become a gas
evaporization
chemical
mass =
soltion
4. Homogeneous substance of constant composition formed by a chemical union of elements
bonds between atoms
compounds
100 degree celcius
size of atom determine
5. Solutions with unusual concentrations of either hydrogen or hydroxyl ions
most solutions have a _____ solvent
acids & bases
- ions have _____ electrons
electronically neutral atom
6. Nuclear protons
nonmetals have ____ valences
Avogadro proposed that
neutralization
electronis are in shells around
7. Devised periodic table
acids & bases
Boyle's Law
electron =
Russian Mendeleev (1869)
8. Solid and gas
strong base
liquid state between
- ions have _____ electrons
Vapor
9. Negative
Avogadro's number =
nonmetals have ____ valences
electrically neutral atoms may share
Salts and gases
10. Their ability to retain their shape
pure water is a fine
middle of periodic table
metals have _____ valences
solids characterized by
11. Element behavior repeats every 8 atomic number
0 degrees celcius
chemistry
octet rule
electronically neutral atom
12. 0
neutron =
Frenchman Lavoisier (1780)
precipitation of a salt occurs when
weak acid pH
13. 1
electron =
metals have _____ valences
gas expands
nucleus
14. 10
solubility of solids
solubility of a substance is
Of living creatures and the environment
weak base
15. + 1
gas is a _____ fluid
proton =
subatomic particles
size of atom determine
16. Smallest particles of chemical elements
100 degree celcius
electron =
nonmetals have ____ valences
atoms
17. Number of molecules of formula units of the reactants and products
atoms
neutron =
chemical reactions show the
Of living creatures and the environment
18. The science of substances that make up our world
+ ions have _____ electrons
ions form when
middle of periodic table
chemistry
19. Temperature and pressure
gases are a swarm of
acids contain
solid - liquid - gas is dependent on
neutral pH
20. Summarizes the chemical behavior of the element
melt when heated - vaporize slightly
valence number
weak base
neutralization
21. Electrons = protons
electronically neutral atom
vertical columns
chemistry
gas expands
22. Tiny molecules moving at a speed dependent on temperature
solubility of a substance is
electroloysis occurs
100 degree celcius
gases are a swarm of
23. Increasing atomic # - left to right
chemistry
charted by
electronically neutral atom
conditions necessary for reaction
24. Hydroxides of alkaline metals
elements
what bases contain
octet rule
gas volums is determined by
25. Are electronic
middle of periodic table
solids characterized by
bonds between atoms
solubility of solids
26. Study substances by measuring properties and observing changes
the number of protons establishes
electrically neutral atoms may share
chemists
what bases contain
27. PH
left side of periodic table
what acids and bases are measured by
conditions necessary for reaction
strong base
28. Compressible
liqids take on shape
gas is a _____ fluid
electrically neutral atoms may share
valence number
29. With high temperature
aqueous solution has _____ as solvent
- ions have _____ electrons
acids & bases
solubility of gases decreases
30. Attraction of different charges
ionic bond
Englishman John Dalton (1805)
Charles' Law
valence number
31. Protons + neutrons
size of atom determine
Of living creatures and the environment
proton =
mass =
32. water is boiled to...
Distillation
Vapor
what acids and bases dissociate in
bonds between atoms
33. Number of protons
number of neutrons almost equals
100 degree celcius
electron =
left side of periodic table
34. To full available space
gas expands
vertical columns
most compounds contain
solubility of a substance is
35. Bases
gas is a _____ fluid
gases are a swarm of
electron =
left side of periodic table
36. Electrons surround
+ ions have _____ electrons
nucleus
electrically neutral atoms may share
solids characterized by
37. Simplest chemical substances
solubility of a substance is
elements
mass =
Of living creatures and the environment
38. Volume varies inversely with pressure
39. Occupies space and has mass
in most cases at least on ion is
Of living creatures and the environment
matter
solubility of gases decreases
40. Increases with high temperatures
chemical elements
Russian Mendeleev (1869)
solubility of solids
middle of periodic table
41. Dissociates to many ions capable of transporting electric charge
+ ions have _____ electrons
0 degrees celcius
neutron =
electrolyte is a substance that
42. Gained
atoms
evaporization
- ions have _____ electrons
octet rule
43. Atoms with an electrical charge
ions
atomic weight determined
melt when heated - vaporize slightly
nonmetals have ____ valences
44. Temperature and pressure
metals have _____ valences
gas volums is determined by
most solutions have a _____ solvent
concentration of solution is
45. water is a major constituent
electrically neutral atoms may share
Of living creatures and the environment
chemical reactions show the
proton =
46. Complex (containing several atoms)
in most cases at least on ion is
subatomic particles
aqueous solution has _____ as solvent
neutral pH
47. Reaction of an acid with a base (releases some heat)
neutralization
solid - liquid - gas is dependent on
metals have _____ valences
vertical columns
48. Gas volume varies directly with temperature
49. As an ionic melt or solution conducts electricity
electroloysis occurs
Salts and gases
middle of periodic table
Distillation
50. Symbols and subscripts showing number of atoms
octet rule
precipitation of a salt occurs when
compounds
compounds written with