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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. Emission of electrons from a metal when light shines on a metal.
mole
family
chemical change
photoelectric effect
2. A substance that is formed by a chemical change
law of multiple proportions
Avogadro's number
product
volume
3. The energy required to remove one electron from a neutral atom of an element.
nonmetal
ionization energy
theory
Heisenberg Uncertainty Principle
4. A negative ion.
electron configuration
accuracy
anion
law of multiple proportions
5. The 14 elements with the atomic numbers 90-103.
alkaline-earth metals
heterogeneous
actinide
extensive property
6. No two electrons in the same atom can have the same set of four quantum numbers
Pauli exclusion principle
compound
photoelectric effect
atom
7. The study of the composition - structure - and properties of matter and the changes it undergoes
chemical reaction
main-group elements
chemistry
solid
8. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
mass number
conversion factor
halogens
periodic law
9. The suborbitals of an atom. (S - P - D - F)
solid
Angular Momentum Quantum Number
excited state
periodic law
10. Number of waves that pass a given point in a specific time - usually one second.
hertz
conversion factor
pure substance
frequency
11. Which way it spins. (up or down)
ionization energy
percent error
Spin Quantum Number
alkaline-earth metals
12. The 14 elements with the atomic numbers 58-71.
mass
anion
lanthanide
line-emission spectrum
13. A characteristic that can be observed or measured without changing the identity of the substance
physical property
direct proportion
Avogadro's number
density
14. A broad generalization that explains a body of facts or phenomena
intensive property
theory
Heisenberg Uncertainty Principle
precision
15. The ability of a substance to undergo a change that transforms it into a different substance
metal
atomic mass unit
chemical property
percent error
16. An arrangement of the elements in order of their atomic numbers so that the elements with similar properties fall in the same column or group.
periodic table
percent error
average atomic mass
direct proportion
17. The state of matter in which the substance has definite volume and definite shape
reactant
accuracy
pure substance
solid
18. The number of protons in the nucleus of each atom of an element
extensive property
atomic number
metalloid
heterogeneous
19. A positive ion.
Spin Quantum Number
excited state
cation
ionization energy
20. A horizontal row of elements in the periodic table
conversion factor
period
reactant
density
21. Two quantities that have a constant mathematical product
Heisenberg Uncertainty Principle
halogens
inverse proportion
heterogeneous
22. The closeness of a set of measurements of the same quantity made in the same way
matter
precision
noble gas
quantum
23. The elements of group 17 of the periodic table.
halogens
density
ionization
conversion factor
24. The elements of group 2 of the periodic table.
alkaline-earth metals
metalloid
cation
extensive property
25. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
periodic law
ground state
noble gas
nuclide
26. Describes mathematically the wave properties of electrons and other very small particles.
liquid
volume
nuclear force
Quantum Theory
27. A unit that is a combination of SI base units
law of definite proportions
actinide
derived unit
line-emission spectrum
28. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
law of multiple proportions
solid
average atomic mass
hypothesis
29. A reaction in which one or more substances are converted into different substances
volume
nonmetal
inverse proportion
chemical reaction
30. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
lanthanide
matter
nuclear force
product
31. A property that depends on the amount of matter that is present
Heisenberg Uncertainty Principle
extensive property
line-emission spectrum
chemistry
32. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
atom
ionization
wavelength
scientific notation n where the factor M is a scientific notation
33. A substance that reacts in a chemical change
Aufaub principle
reactant
atom
weight
34. An element that has some characteristics of metals and some characteristics of nonmetals
precision
metalloid
compound
Heisenberg Uncertainty Principle
35. State in which an atom has a higher potential energy than it has in it's ground state.
Angular Momentum Quantum Number
chemical reaction
excited state
precision
36. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
anion
noble gas configuration
scientific method
electron configuration
37. A substance that is made from the atoms of two or more elements that are chemically bonded
alkali metals
metal
compound
Heisenberg Uncertainty Principle
38. Anything that has mass and takes up space
hypothesis
matter
mixture
alkaline-earth metals
39. Having a uniform composition throughout
physical property
SI (Le Système International d'Unités
volume
homogeneous
40. A physical change of a substance from one state to another
accuracy
change of state
alkaline-earth metals
ionization
41. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
SI (Le Système International d'Unités
Hund's rule
wavelength
photon
42. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
ionization energy
percent error
valence electrons
frequency
43. The arrangement of electrons in an atom
percent error
electron configuration
Angular Momentum Quantum Number
weight
44. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
atom
Heisenberg Uncertainty Principle
chemical change
direct proportion
45. The smallest unit of an element that maintains the properties of that element
atomic mass unit
intensive property
metal
atom
46. Atoms of the same element that have different masses
Quantum Numbers
isotopes
law of definite proportions
transition metals
47. The state of matter in which a substance has neither definite volume nor definite shape
pure substance
gas
halogens
Magnetic Quantum Number
48. One wave per second.
derived unit
metalloid
hertz
nuclide
49. A substance that has a fixed composition and differs from a mixture in that every sample of a given pure substance has exactly the same characteristic properties and composition
alkaline-earth metals
pure substance
hertz
ion
50. A vertical column of the periodic table
scientific notation n where the factor M is a scientific notation
ionization
family
ground state