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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. Anything that has mass and takes up space
theory
volume
matter
law of definite proportions
2. The p-block elements together with the s-block elements.
precision
main-group elements
molar mass
scientific notation n where the factor M is a scientific notation
3. One wave per second.
density
hertz
chemical property
intensive property
4. Distance between corresponding points on adjacent waves.
atom
wavelength
period
change of state
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
model
pure substance
system
gas
6. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
Aufaub principle
periodic law
direct proportion
noble gas configuration
7. Not having a uniform composition throughout
heterogeneous
nonmetal
halogens
plasma
8. Two quantities that have a constant mathematical product
inverse proportion
wavelength
continuous spectrum
mole
9. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
Hund's rule
line-emission spectrum
accuracy
10. A vertical column of the periodic table
system
main-group elements
electronegativity
family
11. The measurement system accepted worldwide
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12. An element that is a good conductor of heat and electricity
percent error
metal
frequency
actinide
13. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
ion
photoelectric effect
system
electronegativity
14. The energy required to remove one electron from a neutral atom of an element.
hypothesis
photoelectric effect
Angular Momentum Quantum Number
ionization energy
15. Lowest energy state of an atom.
inverse proportion
ground state
orbital
scientific method
16. Any substance that has a definite composition
valence electrons
chemical
liquid
alkali metals
17. 1/2 the distance between the nuclei of identical atoms that are bonded together.
transition metals
isotopes
atomic radius
line-emission spectrum
18. An element that is a poor conductor of heat and electricity
element
nonmetal
valence electrons
metalloid
19. Minimum quantity of energy that can be lost or gained by an atom.
quantum
Principle Quantum Number
scientific notation n where the factor M is a scientific notation
chemical reaction
20. A substance that is formed by a chemical change
product
quantum
percent error
mole
21. The arrangement of electrons in an atom
percent error
electron configuration
continuous spectrum
ground state
22. Two quantities that give a constant value when one is divided by the other
Principle Quantum Number
molar mass
scientific notation n where the factor M is a scientific notation
direct proportion
23. A physical change of a substance from one state to another
gas
density
Avogadro's number
change of state
24. The state of matter in which the substance has a definite volume but an indefinite shape
theory
liquid
atomic mass unit
physical property
25. A property that depends on the amount of matter that is present
scientific notation n where the factor M is a scientific notation
extensive property
inverse proportion
quantum
26. A vertical column of the periodic table
group
cation
nonmetal
main-group elements
27. The suborbitals of an atom. (S - P - D - F)
matter
Angular Momentum Quantum Number
anion
gas
28. Any process that results in the formation of an ion.
Magnetic Quantum Number
compound
Heisenberg Uncertainty Principle
ionization
29. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
electromagnetic radiation
precision
ground state
intensive property
30. The study of the composition - structure - and properties of matter and the changes it undergoes
extensive property
anion
chemistry
main-group elements
31. An outer main energy level occupied - in most cases - by 8 electrons
noble gas
noble gas configuration
extensive property
Spin Quantum Number
32. A high-temperature physical state of matter in which atoms lose their electrons
gas
nonmetal
Pauli exclusion principle
plasma
33. The smallest unit of an element that maintains the properties of that element
law of definite proportions
reactant
continuous spectrum
atom
34. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
ion
continuous spectrum
electron configuration
Quantum Numbers
35. A broad generalization that explains a body of facts or phenomena
periodic table
theory
noble gas
liquid
36. The total number of protons and neutrons in the nucleus of an isotope
quantity
mass number
electron affinity
electronegativity
37. A measure of the amount of matter
hypothesis
mass
pure substance
electron affinity
38. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
heterogeneous
reactant
photon
atom
39. An element that has some characteristics of metals and some characteristics of nonmetals
Heisenberg Uncertainty Principle
scientific method
metalloid
pure substance
40. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
significant figure
direct proportion
conversion factor
quantum
41. A measure of the gravitational pull on matter
extensive property
weight
intensive property
main-group elements
42. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
hertz
valence electrons
precision
matter
43. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
electromagnetic radiation
density
mole
alkaline-earth metals
44. The closeness of measurements to the correct or accepted value of the quantity measured
isotopes
change of state
accuracy
Aufaub principle
45. Which way it spins. (up or down)
orbital
Hund's rule
weight
Spin Quantum Number
46. The ratio of mass to volume or mass divided by volume
density
electronegativity
extensive property
main-group elements
47. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
direct proportion
atomic mass unit
physical change
heterogeneous
48. Number of waves that pass a given point in a specific time - usually one second.
frequency
line-emission spectrum
extensive property
conversion factor
49. A blend of two or more kinds of matter - each of which retains its own identity and properties
mixture
periodic law
transition metals
lanthanide
50. A positive ion.
metalloid
direct proportion
cation
molar mass