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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. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
change of state
line-emission spectrum
Quantum Numbers
average atomic mass
2. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
change of state
matter
average atomic mass
anion
3. 1/2 the distance between the nuclei of identical atoms that are bonded together.
accuracy
atomic radius
SI (Le Système International d'Unités
Principle Quantum Number
4. A positive ion.
Spin Quantum Number
hertz
chemical change
cation
5. A physical change of a substance from one state to another
Quantum Theory
inverse proportion
periodic table
change of state
6. A horizontal row of elements in the periodic table
periodic table
period
atomic mass unit
anion
7. The closeness of measurements to the correct or accepted value of the quantity measured
SI (Le Système International d'Unités
accuracy
plasma
alkali metals
8. Something that has magnitude - size - or amount
quantity
significant figure
Quantum Numbers
cation
9. A change in which one or more substances are converted into different substances
model
chemical change
solid
Principle Quantum Number
10. The amount of space occupied by an object
volume
mole
conversion factor
nuclear force
11. The suborbitals of an atom. (S - P - D - F)
Angular Momentum Quantum Number
period
cation
atom
12. A change in a substance that does not involve a change in the identity of the substance
electronegativity
noble gas configuration
physical change
alkali metals
13. Any process that results in the formation of an ion.
change of state
ionization
extensive property
photoelectric effect
14. The total number of protons and neutrons in the nucleus of an isotope
mass number
hypothesis
gas
photon
15. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
density
matter
Heisenberg Uncertainty Principle
noble gas configuration
16. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
17. Number of waves that pass a given point in a specific time - usually one second.
frequency
nuclide
halogens
Angular Momentum Quantum Number
18. The ability of a substance to undergo a change that transforms it into a different substance
liquid
compound
nonmetal
chemical property
19. The energy change that occurs when an electron is acquired by a neutral atom.
quantum
percent error
matter
electron affinity
20. The measurement system accepted worldwide
21. Having a uniform composition throughout
reactant
homogeneous
intensive property
nuclear force
22. A broad generalization that explains a body of facts or phenomena
ionization energy
theory
Magnetic Quantum Number
mixture
23. Which way it spins. (up or down)
Avogadro's number
orbital
Spin Quantum Number
derived unit
24. The elements of group 1 of the periodic table.
molar mass
reactant
alkali metals
nonmetal
25. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
electromagnetic radiation
liquid
metalloid
conversion factor
26. The 14 elements with the atomic numbers 90-103.
actinide
inverse proportion
transition metals
metalloid
27. The d-block elements are metals with typical metallic properties.
transition metals
Heisenberg Uncertainty Principle
chemical reaction
Magnetic Quantum Number
28. A high-temperature physical state of matter in which atoms lose their electrons
accuracy
plasma
mass
derived unit
29. A property that does not depend on the amount of matter present
isotopes
intensive property
physical change
ground state
30. An atom or group of bonded atoms that has a positive or negative charge.
mass number
alkaline-earth metals
frequency
ion
31. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
metal
pure substance
valence electrons
frequency
32. The state of matter in which a substance has neither definite volume nor definite shape
liquid
gas
volume
change of state
33. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
atomic number
Spin Quantum Number
nuclide
electronegativity
34. The emission of a continuous range of frequencies of electromagnetic radiation.
extensive property
alkali metals
ionization
continuous spectrum
35. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
photon
matter
period
scientific method
36. An explanation of how phenomena occur and how data or events are related
model
periodic table
Angular Momentum Quantum Number
anion
37. The closeness of a set of measurements of the same quantity made in the same way
chemical change
precision
mass
ionization
38. The state of matter in which the substance has definite volume and definite shape
Hund's rule
solid
transition metals
heterogeneous
39. A measure of the amount of matter
system
ionization
Quantum Numbers
mass
40. The elements of group 2 of the periodic table.
alkaline-earth metals
element
plasma
family
41. An electron occupies the lowest-energy orbital that can receive it
Quantum Numbers
pure substance
Aufaub principle
Avogadro's number
42. An outer main energy level occupied - in most cases - by 8 electrons
valence electrons
noble gas configuration
solid
periodic table
43. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
atomic mass unit
chemical change
chemistry
cation
44. An element that has some characteristics of metals and some characteristics of nonmetals
atom
Heisenberg Uncertainty Principle
metalloid
cation
45. No two electrons in the same atom can have the same set of four quantum numbers
chemical
chemical property
Pauli exclusion principle
photon
46. An element that is a good conductor of heat and electricity
Hund's rule
period
metal
molar mass
47. Combination of all the forms of electromagnetic radiation.
heterogeneous
electromagnetic spectrum
electromagnetic radiation
ionization energy
48. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
volume
anion
mole
frequency
49. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
scientific notation n where the factor M is a scientific notation
theory
density
atomic radius
50. A unit that is a combination of SI base units
system
product
derived unit
atomic radius