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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 electrons available to be lost - gained - or shared in the formation of chemical compounds.
heterogeneous
mixture
valence electrons
mole
2. A horizontal row of elements in the periodic table
period
element
density
weight
3. Two quantities that have a constant mathematical product
photoelectric effect
noble gas configuration
atomic mass unit
inverse proportion
4. 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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5. The 14 elements with the atomic numbers 90-103.
theory
actinide
molar mass
atomic mass unit
6. The ratio of mass to volume or mass divided by volume
halogens
density
direct proportion
ground state
7. A property that does not depend on the amount of matter present
intensive property
mixture
Principle Quantum Number
electromagnetic radiation
8. A property that depends on the amount of matter that is present
atom
extensive property
periodic table
physical change
9. The smallest unit of an element that maintains the properties of that element
element
noble gas
atom
Aufaub principle
10. The amount of space occupied by an object
volume
physical change
chemical property
lanthanide
11. The state of matter in which a substance has neither definite volume nor definite shape
valence electrons
matter
nonmetal
gas
12. The elements of group 2 of the periodic table.
law of multiple proportions
alkaline-earth metals
percent error
periodic law
13. The arrangement of electrons in an atom
Quantum Numbers
noble gas configuration
electron configuration
chemical change
14. Emission of electrons from a metal when light shines on a metal.
nuclide
noble gas
photoelectric effect
electron affinity
15. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
homogeneous
photon
product
element
16. An element that is a poor conductor of heat and electricity
nonmetal
direct proportion
product
Quantum Theory
17. Having a uniform composition throughout
periodic law
Angular Momentum Quantum Number
wavelength
homogeneous
18. 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.
atomic number
density
photoelectric effect
periodic table
19. Which way it spins. (up or down)
Spin Quantum Number
Hund's rule
hertz
electron configuration
20. Any substance that has a definite composition
chemical
chemical reaction
Hund's rule
system
21. A reaction in which one or more substances are converted into different substances
extensive property
alkali metals
chemical reaction
periodic table
22. The elements of group 17 of the periodic table.
halogens
ion
atomic mass unit
quantity
23. Number of waves that pass a given point in a specific time - usually one second.
quantum
matter
chemical property
frequency
24. A 3D region around the nucleus that indicates the probable location of an electron.
orbital
compound
actinide
frequency
25. A measure of the gravitational pull on matter
Hund's rule
weight
hertz
chemical change
26. A positive ion.
Angular Momentum Quantum Number
cation
theory
nuclide
27. The suborbitals of an atom. (S - P - D - F)
Angular Momentum Quantum Number
law of definite proportions
element
molar mass
28. An atom or group of bonded atoms that has a positive or negative charge.
direct proportion
element
law of multiple proportions
ion
29. An electron occupies the lowest-energy orbital that can receive it
anion
Aufaub principle
derived unit
Magnetic Quantum Number
30. The emission of a continuous range of frequencies of electromagnetic radiation.
isotopes
conversion factor
continuous spectrum
law of definite proportions
31. A blend of two or more kinds of matter - each of which retains its own identity and properties
physical change
mixture
cation
electron configuration
32. The total number of protons and neutrons in the nucleus of an isotope
physical property
mass
mass number
ion
33. A physical change of a substance from one state to another
scientific notation n where the factor M is a scientific notation
lanthanide
change of state
system
34. A unit that is a combination of SI base units
density
ionization energy
Pauli exclusion principle
derived unit
35. 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
pure substance
atomic mass unit
atomic radius
electromagnetic radiation
36. One wave per second.
hertz
Angular Momentum Quantum Number
metalloid
atomic number
37. The closeness of measurements to the correct or accepted value of the quantity measured
orbital
halogens
accuracy
Magnetic Quantum Number
38. The d-block elements are metals with typical metallic properties.
system
noble gas
transition metals
chemical property
39. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
valence electrons
frequency
quantum
40. The state of matter in which the substance has definite volume and definite shape
frequency
solid
family
conversion factor
41. Mass is neither created nor destroyed duringordinary chemical or physical reactions
average atomic mass
law of conservation of mass
lanthanide
chemistry
42. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electron configuration
Hund's rule
electronegativity
law of definite proportions
43. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
transition metals
extensive property
actinide
44. The ability of a substance to undergo a change that transforms it into a different substance
lanthanide
density
chemical property
Magnetic Quantum Number
45. The elements of group 1 of the periodic table.
actinide
alkali metals
percent error
product
46. 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
mass number
Spin Quantum Number
significant figure
47. The p-block elements together with the s-block elements.
Hund's rule
physical change
average atomic mass
main-group elements
48. An element that is a good conductor of heat and electricity
noble gas configuration
ionization
inverse proportion
metal
49. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
anion
percent error
conversion factor
plasma
50. Any process that results in the formation of an ion.
ionization
Angular Momentum Quantum Number
Aufaub principle
Heisenberg Uncertainty Principle