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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. Number of waves that pass a given point in a specific time - usually one second.
system
chemical change
frequency
liquid
2. 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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3. A broad generalization that explains a body of facts or phenomena
theory
mass
Quantum Theory
quantity
4. Not having a uniform composition throughout
chemical property
heterogeneous
noble gas configuration
chemical reaction
5. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers
change of state
law of multiple proportions
ground state
electromagnetic radiation
6. A horizontal row of elements in the periodic table
electron affinity
reactant
pure substance
period
7. An electron occupies the lowest-energy orbital that can receive it
actinide
main-group elements
scientific method
Aufaub principle
8. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
law of multiple proportions
periodic law
ionization
lanthanide
9. A measure of the amount of matter
mass
significant figure
quantity
molar mass
10. A positive ion.
percent error
cation
volume
electromagnetic spectrum
11. A pure substance made of only one kind of atom
element
heterogeneous
ionization energy
ion
12. 1/2 the distance between the nuclei of identical atoms that are bonded together.
nuclear force
atomic radius
chemistry
scientific notation n where the factor M is a scientific notation
13. The elements of group 17 of the periodic table.
halogens
anion
mass
extensive property
14. The state of matter in which the substance has a definite volume but an indefinite shape
hertz
compound
chemical property
liquid
15. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
density
periodic table
atomic mass unit
electronegativity
16. Emission of electrons from a metal when light shines on a metal.
reactant
electronegativity
photoelectric effect
mass
17. A testable statement
electron configuration
percent error
hypothesis
metal
18. A measure of the gravitational pull on matter
continuous spectrum
transition metals
weight
chemical
19. The state of matter in which the substance has definite volume and definite shape
ionization
significant figure
solid
nuclide
20. The state of matter in which a substance has neither definite volume nor definite shape
quantity
gas
atomic radius
wavelength
21. Two quantities that give a constant value when one is divided by the other
Pauli exclusion principle
conversion factor
Hund's rule
direct proportion
22. A vertical column of the periodic table
wavelength
family
mass number
orbital
23. The elements of group 1 of the periodic table.
atomic number
frequency
alkali metals
direct proportion
24. A property that does not depend on the amount of matter present
intensive property
electromagnetic spectrum
Angular Momentum Quantum Number
chemistry
25. The smallest unit of an element that maintains the properties of that element
atom
actinide
electronegativity
lanthanide
26. An atom or group of bonded atoms that has a positive or negative charge.
photoelectric effect
reactant
electron affinity
ion
27. Describes mathematically the wave properties of electrons and other very small particles.
chemical property
SI (Le Système International d'Unités
atomic mass unit
Quantum Theory
28. Two quantities that have a constant mathematical product
plasma
chemical
anion
inverse proportion
29. Distance between corresponding points on adjacent waves.
wavelength
alkaline-earth metals
solid
electron affinity
30. A negative ion.
noble gas configuration
anion
intensive property
metal
31. Having a uniform composition throughout
homogeneous
physical property
frequency
precision
32. A substance that is formed by a chemical change
product
atomic mass unit
nonmetal
lanthanide
33. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
scientific notation n where the factor M is a scientific notation
percent error
solid
system
34. The arrangement of electrons in an atom
frequency
electron configuration
element
gas
35. State in which an atom has a higher potential energy than it has in it's ground state.
lanthanide
scientific method
periodic law
excited state
36. An element that has some characteristics of metals and some characteristics of nonmetals
volume
Magnetic Quantum Number
metalloid
molar mass
37. A vertical column of the periodic table
ionization energy
noble gas
heterogeneous
group
38. Which suborbital. (Py - Px - Pz)
Magnetic Quantum Number
Quantum Numbers
photon
mass number
39. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
weight
Quantum Numbers
photoelectric effect
theory
40. Atoms of the same element that have different masses
derived unit
ion
molar mass
isotopes
41. Combination of all the forms of electromagnetic radiation.
precision
electromagnetic spectrum
scientific notation n where the factor M is a scientific notation
electronegativity
42. The ability of a substance to undergo a change that transforms it into a different substance
noble gas configuration
chemical property
chemistry
law of definite proportions
43. The general term for any isotope of any element
extensive property
wavelength
ionization
nuclide
44. 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.
percent error
periodic table
chemical
model
45. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
Avogadro's number
significant figure
metal
SI (Le Système International d'Unités
46. The suborbitals of an atom. (S - P - D - F)
nuclear force
orbital
Angular Momentum Quantum Number
nuclide
47. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
Quantum Numbers
average atomic mass
reactant
continuous spectrum
48. A change in a substance that does not involve a change in the identity of the substance
period
Heisenberg Uncertainty Principle
physical change
mole
49. A change in which one or more substances are converted into different substances
law of conservation of mass
chemical change
SI (Le Système International d'Unités
metal
50. Minimum quantity of energy that can be lost or gained by an atom.
plasma
matter
quantum
Angular Momentum Quantum Number