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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 broad generalization that explains a body of facts or phenomena
theory
ground state
heterogeneous
Avogadro's number
2. The mass of one mole of a pure substance
metal
percent error
derived unit
molar mass
3. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
hypothesis
electronegativity
chemical reaction
electromagnetic radiation
4. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
ion
atomic mass unit
conversion factor
atomic number
5. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
noble gas
frequency
Spin Quantum Number
Hund's rule
6. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
transition metals
electronegativity
hypothesis
model
7. The state of matter in which the substance has definite volume and definite shape
plasma
solid
gas
Heisenberg Uncertainty Principle
8. Two quantities that have a constant mathematical product
periodic table
mass
inverse proportion
physical property
9. A change in which one or more substances are converted into different substances
Magnetic Quantum Number
matter
chemical change
main-group elements
10. The 14 elements with the atomic numbers 58-71.
lanthanide
noble gas
extensive property
intensive property
11. Having a uniform composition throughout
homogeneous
scientific method
metalloid
law of multiple proportions
12. The closeness of a set of measurements of the same quantity made in the same way
SI (Le Système International d'Unités
precision
Spin Quantum Number
hertz
13. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
Principle Quantum Number
physical change
scientific notation n where the factor M is a scientific notation
excited state
14. The 14 elements with the atomic numbers 90-103.
precision
noble gas configuration
actinide
hypothesis
15. An explanation of how phenomena occur and how data or events are related
transition metals
Avogadro's number
model
chemical
16. A unit that is a combination of SI base units
frequency
derived unit
metal
atom
17. Distance between corresponding points on adjacent waves.
Pauli exclusion principle
extensive property
law of conservation of mass
wavelength
18. The emission of a continuous range of frequencies of electromagnetic radiation.
alkali metals
Spin Quantum Number
heterogeneous
continuous spectrum
19. Not having a uniform composition throughout
Quantum Theory
model
heterogeneous
extensive property
20. A blend of two or more kinds of matter - each of which retains its own identity and properties
liquid
electromagnetic spectrum
chemical property
mixture
21. Any process that results in the formation of an ion.
ionization
change of state
intensive property
hertz
22. The general term for any isotope of any element
lanthanide
nuclide
significant figure
conversion factor
23. The closeness of measurements to the correct or accepted value of the quantity measured
atomic number
electron configuration
accuracy
scientific notation n where the factor M is a scientific notation
24. A horizontal row of elements in the periodic table
derived unit
Pauli exclusion principle
Principle Quantum Number
period
25. 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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26. A reaction in which one or more substances are converted into different substances
atomic radius
frequency
gas
chemical reaction
27. The state of matter in which the substance has a definite volume but an indefinite shape
mixture
liquid
physical property
Heisenberg Uncertainty Principle
28. An element that is a good conductor of heat and electricity
electromagnetic spectrum
metal
transition metals
valence electrons
29. The amount of space occupied by an object
volume
halogens
photon
valence electrons
30. Which way it spins. (up or down)
Spin Quantum Number
ionization energy
precision
compound
31. An outer main energy level occupied - in most cases - by 8 electrons
chemical
noble gas configuration
Avogadro's number
cation
32. The ability of a substance to undergo a change that transforms it into a different substance
quantum
electronegativity
atom
chemical property
33. The elements of group 2 of the periodic table.
law of conservation of mass
alkaline-earth metals
scientific notation n where the factor M is a scientific notation
physical change
34. A substance that reacts in a chemical change
reactant
cation
periodic table
extensive property
35. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
periodic table
Heisenberg Uncertainty Principle
frequency
periodic law
36. Something that has magnitude - size - or amount
quantity
noble gas configuration
law of definite proportions
transition metals
37. A testable statement
hypothesis
isotopes
atomic mass unit
extensive property
38. Any substance that has a definite composition
Hund's rule
chemical
lanthanide
ionization energy
39. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
main-group elements
nuclear force
physical change
Spin Quantum Number
40. The smallest unit of an element that maintains the properties of that element
noble gas
weight
atom
Quantum Theory
41. The total number of protons and neutrons in the nucleus of an isotope
electronegativity
mass number
mixture
chemical
42. The smallest unit of an element that maintains the properties of that element
chemistry
periodic law
atom
chemical reaction
43. The total amount of energy level an atom has.
lanthanide
extensive property
Principle Quantum Number
percent error
44. An element that has some characteristics of metals and some characteristics of nonmetals
reactant
chemical property
metalloid
atom
45. 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
orbital
nuclide
mole
46. The p-block elements together with the s-block elements.
direct proportion
main-group elements
nuclear force
average atomic mass
47. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
electron affinity
electromagnetic radiation
Aufaub principle
48. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
inverse proportion
scientific method
scientific notation n where the factor M is a scientific notation
law of conservation of mass
49. A measure of the gravitational pull on matter
molar mass
weight
metalloid
chemical property
50. The ratio of mass to volume or mass divided by volume
density
solid
scientific method
Principle Quantum Number