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Test your basic knowledge |
Pre - AP Chemistry
Start Test
Study First
Subjects
:
pre-ap
,
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 positive ion.
cation
mixture
nuclear force
group
2. The 14 elements with the atomic numbers 58-71.
family
lanthanide
alkali metals
Angular Momentum Quantum Number
3. A horizontal row of elements in the periodic table
frequency
nuclide
period
hertz
4. A high-temperature physical state of matter in which atoms lose their electrons
group
Avogadro's number
atomic radius
plasma
5. A characteristic that can be observed or measured without changing the identity of the substance
line-emission spectrum
law of conservation of mass
physical property
alkaline-earth metals
6. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
ionization
electromagnetic radiation
conversion factor
group
7. The emission of a continuous range of frequencies of electromagnetic radiation.
alkali metals
group
anion
continuous spectrum
8. Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron - and all electrons in singly occupied orbitals must have the same spin state.
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9. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
percent error
periodic law
molar mass
10. A change in which one or more substances are converted into different substances
chemical change
Spin Quantum Number
quantum
molar mass
11. Emission of electrons from a metal when light shines on a metal.
significant figure
photoelectric effect
hertz
atomic mass unit
12. Two quantities that have a constant mathematical product
Heisenberg Uncertainty Principle
inverse proportion
periodic law
intensive property
13. A measure of the amount of matter
derived unit
change of state
mass
quantum
14. Any process that results in the formation of an ion.
cation
ionization
family
weight
15. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
atom
mole
periodic law
ionization
16. An atom or group of bonded atoms that has a positive or negative charge.
transition metals
metalloid
Pauli exclusion principle
ion
17. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
atom
line-emission spectrum
mass
main-group elements
18. The energy required to remove one electron from a neutral atom of an element.
conversion factor
ionization energy
ionization
electron affinity
19. Two quantities that give a constant value when one is divided by the other
alkaline-earth metals
model
direct proportion
transition metals
20. The closeness of a set of measurements of the same quantity made in the same way
physical change
precision
frequency
density
21. A unit that is a combination of SI base units
main-group elements
excited state
derived unit
actinide
22. The general term for any isotope of any element
heterogeneous
mixture
nuclide
law of definite proportions
23. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
Pauli exclusion principle
conversion factor
inverse proportion
periodic law
24. A vertical column of the periodic table
electron affinity
family
anion
transition metals
25. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
solid
law of conservation of mass
volume
noble gas
26. Something that has magnitude - size - or amount
quantity
physical change
intensive property
periodic law
27. The state of matter in which the substance has a definite volume but an indefinite shape
metalloid
liquid
heterogeneous
atomic radius
28. Number of waves that pass a given point in a specific time - usually one second.
percent error
nuclear force
Pauli exclusion principle
frequency
29. An element that is a poor conductor of heat and electricity
direct proportion
nonmetal
SI (Le Système International d'Unités
atomic number
30. Which suborbital. (Py - Px - Pz)
density
period
hypothesis
Magnetic Quantum Number
31. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
significant figure
atomic mass unit
atomic radius
mixture
32. Any substance that has a definite composition
chemical
heterogeneous
weight
metalloid
33. Distance between corresponding points on adjacent waves.
ionization
heterogeneous
wavelength
scientific notation n where the factor M is a scientific notation
34. The arrangement of electrons in an atom
chemistry
electron configuration
percent error
nuclide
35. The ratio of mass to volume or mass divided by volume
density
plasma
pure substance
line-emission spectrum
36. A reaction in which one or more substances are converted into different substances
period
ionization
chemical reaction
ionization energy
37. A broad generalization that explains a body of facts or phenomena
Heisenberg Uncertainty Principle
electromagnetic spectrum
theory
Quantum Theory
38. The study of the composition - structure - and properties of matter and the changes it undergoes
Magnetic Quantum Number
model
chemistry
average atomic mass
39. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
main-group elements
accuracy
product
nuclear force
40. A property that does not depend on the amount of matter present
halogens
intensive property
nonmetal
Aufaub principle
41. A testable statement
hypothesis
mixture
plasma
periodic law
42. An element that is a good conductor of heat and electricity
isotopes
atomic number
metal
theory
43. One wave per second.
hertz
nuclear force
pure substance
extensive property
44. Not having a uniform composition throughout
electron configuration
heterogeneous
system
anion
45. A blend of two or more kinds of matter - each of which retains its own identity and properties
Aufaub principle
direct proportion
mixture
mass
46. Mass is neither created nor destroyed duringordinary chemical or physical reactions
electron configuration
percent error
continuous spectrum
law of conservation of mass
47. A physical change of a substance from one state to another
atomic number
atom
change of state
wavelength
48. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
actinide
conversion factor
atomic radius
compound
49. The elements of group 1 of the periodic table.
law of multiple proportions
solid
alkali metals
line-emission spectrum
50. A change in a substance that does not involve a change in the identity of the substance
conversion factor
ion
metal
physical change