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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. Study substances by measuring properties and observing changes
neutralization
chemists
what bases contain
subatomic particles
2. 13
neutrons stabilize
elements
strong base
chemical elements
3. Reaction of an acid with a base (releases some heat)
metals have _____ valences
neutralization
bonds between atoms
Avogadro's number =
4. 1
most compounds contain
strong acid pH
bonds between atoms
chemical
5. Water
chemistry
what bases contain
aqueous solution has _____ as solvent
chemical reactions show the
6. Smallest partical atom makes up elements which makes up compounds
number of neutrons almost equals
solid - liquid - gas is dependent on
atom
Englishman John Dalton (1805)
7. Atomic # = # of protons
size of atom determine
acids contain
chemical elements
solid - liquid - gas is dependent on
8. Insulator - but may be a conductor by adding an electrolyte
Of living creatures and the environment
pure water is a fine
left side of periodic table
metals have _____ valences
9. water is boiled to...
law of conservation of mass
atomic weight determined
Vapor
nucleus
10. Number of molecules of formula units of the reactants and products
strong base
chemical reactions show the
liquid state between
electronis are in shells around
11. Heat - light - catalyst
law of conservation of mass
conditions necessary for reaction
chemical elements
100 degree celcius
12. Attraction of different charges
ions
compounds written with
ionic bond
number of neutrons almost equals
13. Hydrogen that is loosely bound
aqueous solution has _____ as solvent
matter
solubility of a substance is
acids contain
14. Solid and gas
conditions necessary for reaction
bonds between atoms
liquid state between
middle of periodic table
15. Temperature and pressure
gas is a _____ fluid
electron =
solid - liquid - gas is dependent on
aqueous solution has _____ as solvent
16. Group of elements with similar chemical properties
elements
vertical columns
the number of protons establishes
solubility of solids
17. Element behavior repeats every 8 atomic number
octet rule
precipitation of a salt occurs when
compounds
electroloysis occurs
18. Increasing atomic # - left to right
proton =
soltion
Avogadro proposed that
charted by
19. Acids
mass =
neutrons stabilize
middle of periodic table
ions
20. Symbols and subscripts showing number of atoms
size of atom determine
compounds written with
Vapor
Charles' Law
21. Tiny molecules moving at a speed dependent on temperature
electron =
gases are a swarm of
soltion
atoms
22. Homogeneous substance of constant composition formed by a chemical union of elements
Distillation
compounds
chemistry
precipitation of a salt occurs when
23. Nuclear protons
electronis are in shells around
atomic weight determined
electrically neutral atoms may share
number of neutrons almost equals
24. Compounds disassociate in solution to + or - particles
what acids and bases are measured by
weak base
ions
ions form when
25. By nucleus
atomic weight determined
solubility of solids
strong acid pH
metals have _____ valences
26. Temperature and pressure
gas volums is determined by
size of atom determine
ionic bond
100 degree celcius
27. 6 x 10 (ss 23) in 22.4 liters of gas
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28. By nucleus
chemical reactions show the
size of atom determine
nonmetals have ____ valences
metals have _____ valences
29. 4 <-- 0
atoms
+1 --> +5
chemical reactions show the
mass =
30. Reactive - form bases
alkali metals
neutrons stabilize
neutralization
what bases contain
31. Atoms with an electrical charge
electronically neutral atom
ions form when
ions
weak base
32. Electrons surround
what acids and bases are measured by
charted by
nucleus
Salts and gases
33. 1
electron =
electrically neutral atoms may share
solids characterized by
electrolyte is a substance that
34. Increases with high temperatures
chemical
solubility of solids
soltion
neutralization
35. Gained
chemical reactions show the
elements
- ions have _____ electrons
Boyle's Law
36. 4
solubility of gases decreases
chemical
weak acid pH
atomic weight determined
37. Summarizes the chemical behavior of the element
alkali metals
gas expands
valence number
+1 --> +5
38. There is no gain or loss of mass in a chemical change
acids contain
law of conservation of mass
matter
alkali metals
39. Protons + neutrons
Distillation
electrically neutral atoms may share
right side of periodic table
mass =
40. Negative
- ions have _____ electrons
acids contain
solubility of a substance is
nonmetals have ____ valences
41. Are electronic
metals have _____ valences
soltion
bonds between atoms
Vapor
42. The science of substances that make up our world
chemistry
what acids and bases are measured by
liqids take on shape
charted by
43. Dissociates to many ions capable of transporting electric charge
solid - liquid - gas is dependent on
electroloysis occurs
solubility of a substance is
electrolyte is a substance that
44. With high temperature
solubility of gases decreases
atom
compounds written with
Vapor
45. Protons (1 amu) - neutrons (1 amu) - electrons (0 amu)
solid - liquid - gas is dependent on
makeup of atom
electron =
Distillation
46. Any tangible matter is _____ in nature
most compounds contain
electrolyte is a substance that
middle of periodic table
chemical
47. 7
solubility of a substance is
soltion
neutral pH
electroloysis occurs
48. Concentration of solute that a solution can hold
solids characterized by
left side of periodic table
solubility of a substance is
aqueous solution has _____ as solvent
49. 10
weak base
chemical elements
what bases contain
100 degree celcius
50. Devised periodic table
what acids and bases dissociate in
evaporization
elements
Russian Mendeleev (1869)