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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. The mass of one mole of a pure substance
element
homogeneous
Quantum Theory
molar mass
2. The d-block elements are metals with typical metallic properties.
ion
transition metals
period
electron affinity
3. The closeness of a set of measurements of the same quantity made in the same way
chemical
precision
electron affinity
percent error
4. The state of matter in which a substance has neither definite volume nor definite shape
Quantum Theory
Avogadro's number
gas
electron affinity
5. 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
weight
pure substance
precision
valence electrons
6. The general term for any isotope of any element
nuclide
homogeneous
change of state
quantity
7. Two quantities that give a constant value when one is divided by the other
Aufaub principle
Pauli exclusion principle
Avogadro's number
direct proportion
8. A unit that is a combination of SI base units
scientific notation n where the factor M is a scientific notation
precision
Heisenberg Uncertainty Principle
derived unit
9. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
ground state
product
gas
percent error
10. The ratio of mass to volume or mass divided by volume
law of conservation of mass
physical property
extensive property
density
11. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
Quantum Numbers
average atomic mass
law of conservation of mass
chemical reaction
12. State in which an atom has a higher potential energy than it has in it's ground state.
conversion factor
Principle Quantum Number
excited state
law of multiple proportions
13. An explanation of how phenomena occur and how data or events are related
electron affinity
model
mass
chemical change
14. A substance that is made from the atoms of two or more elements that are chemically bonded
chemistry
actinide
compound
transition metals
15. Any process that results in the formation of an ion.
weight
Quantum Numbers
ionization
Hund's rule
16. Lowest energy state of an atom.
Aufaub principle
nuclide
orbital
ground state
17. A testable statement
hypothesis
Angular Momentum Quantum Number
periodic law
chemical change
18. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
main-group elements
significant figure
extensive property
ionization energy
19. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
line-emission spectrum
physical change
mass number
chemical change
20. 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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21. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
isotopes
solid
system
noble gas configuration
22. The 14 elements with the atomic numbers 90-103.
nonmetal
electron affinity
atom
actinide
23. A property that does not depend on the amount of matter present
transition metals
pure substance
metalloid
intensive property
24. An element that is a poor conductor of heat and electricity
average atomic mass
nonmetal
family
anion
25. Anything that has mass and takes up space
SI (Le Système International d'Unités
Spin Quantum Number
orbital
matter
26. The suborbitals of an atom. (S - P - D - F)
derived unit
Angular Momentum Quantum Number
electromagnetic spectrum
ion
27. Distance between corresponding points on adjacent waves.
pure substance
Spin Quantum Number
wavelength
Hund's rule
28. The elements of group 1 of the periodic table.
scientific method
alkali metals
Hund's rule
percent error
29. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electronegativity
precision
physical change
ion
30. A vertical column of the periodic table
frequency
actinide
family
ionization energy
31. Atoms of the same element that have different masses
law of multiple proportions
isotopes
chemical property
percent error
32. Number of waves that pass a given point in a specific time - usually one second.
frequency
Spin Quantum Number
theory
actinide
33. Which suborbital. (Py - Px - Pz)
Principle Quantum Number
Magnetic Quantum Number
halogens
electron configuration
34. A positive ion.
atomic radius
cation
chemical
mixture
35. A vertical column of the periodic table
atom
physical property
ground state
group
36. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
anion
matter
homogeneous
37. The total amount of energy level an atom has.
noble gas
Principle Quantum Number
ionization
atom
38. A horizontal row of elements in the periodic table
significant figure
molar mass
halogens
period
39. Describes mathematically the wave properties of electrons and other very small particles.
scientific notation n where the factor M is a scientific notation
Quantum Theory
theory
continuous spectrum
40. A pure substance made of only one kind of atom
element
cation
Magnetic Quantum Number
significant figure
41. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
element
electromagnetic radiation
Pauli exclusion principle
physical change
42. A physical change of a substance from one state to another
periodic table
Angular Momentum Quantum Number
change of state
law of multiple proportions
43. A substance that reacts in a chemical change
reactant
plasma
inverse proportion
alkali metals
44. A measure of the gravitational pull on matter
atomic mass unit
scientific method
family
weight
45. Minimum quantity of energy that can be lost or gained by an atom.
SI (Le Système International d'Unités
quantum
atomic mass unit
derived unit
46. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
inverse proportion
continuous spectrum
noble gas configuration
noble gas
47. The energy required to remove one electron from a neutral atom of an element.
nonmetal
metal
ionization energy
chemistry
48. The state of matter in which the substance has a definite volume but an indefinite shape
intensive property
Principle Quantum Number
liquid
mole
49. The emission of a continuous range of frequencies of electromagnetic radiation.
atom
continuous spectrum
reactant
percent error
50. The smallest unit of an element that maintains the properties of that element
family
nuclear force
Magnetic Quantum Number
atom