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Test your basic knowledge |
Pre - AP Chemistry
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Subjects
:
pre-ap
,
science
Instructions:
Answer 50 questions in 15 minutes.
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.
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. 1/2 the distance between the nuclei of identical atoms that are bonded together.
derived unit
noble gas configuration
atomic radius
Angular Momentum Quantum Number
2. The mass of one mole of a pure substance
weight
Magnetic Quantum Number
isotopes
molar mass
3. No two electrons in the same atom can have the same set of four quantum numbers
continuous spectrum
nuclide
Pauli exclusion principle
actinide
4. The total amount of energy level an atom has.
Principle Quantum Number
heterogeneous
reactant
group
5. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
ionization energy
gas
anion
electronegativity
6. Number of waves that pass a given point in a specific time - usually one second.
mole
frequency
volume
atomic radius
7. A horizontal row of elements in the periodic table
wavelength
period
significant figure
alkali metals
8. The smallest unit of an element that maintains the properties of that element
significant figure
atom
matter
ionization
9. The 14 elements with the atomic numbers 58-71.
electronegativity
periodic table
intensive property
lanthanide
10. Two quantities that have a constant mathematical product
physical property
inverse proportion
density
Magnetic Quantum Number
11. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
atomic radius
chemical property
weight
12. The energy required to remove one electron from a neutral atom of an element.
electromagnetic spectrum
law of definite proportions
mixture
ionization energy
13. The measurement system accepted worldwide
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14. The state of matter in which the substance has definite volume and definite shape
ionization
percent error
solid
Heisenberg Uncertainty Principle
15. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
mixture
Spin Quantum Number
accuracy
16. 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
law of multiple proportions
physical change
atom
scientific method
17. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
model
Heisenberg Uncertainty Principle
metalloid
18. A blend of two or more kinds of matter - each of which retains its own identity and properties
transition metals
mole
mixture
actinide
19. An atom or group of bonded atoms that has a positive or negative charge.
nuclide
volume
hertz
ion
20. The arrangement of electrons in an atom
hypothesis
electron configuration
cation
chemical
21. A characteristic that can be observed or measured without changing the identity of the substance
intensive property
physical property
actinide
atom
22. A change in which one or more substances are converted into different substances
Hund's rule
chemical change
gas
chemical reaction
23. A physical change of a substance from one state to another
period
change of state
group
reactant
24. A high-temperature physical state of matter in which atoms lose their electrons
isotopes
plasma
family
mole
25. The study of the composition - structure - and properties of matter and the changes it undergoes
atomic mass unit
chemistry
photoelectric effect
plasma
26. A property that depends on the amount of matter that is present
metal
law of definite proportions
extensive property
Pauli exclusion principle
27. A change in a substance that does not involve a change in the identity of the substance
nuclide
periodic table
nonmetal
physical change
28. An outer main energy level occupied - in most cases - by 8 electrons
electronegativity
metalloid
law of multiple proportions
noble gas configuration
29. A measure of the amount of matter
main-group elements
mass
change of state
Quantum Theory
30. A unit that is a combination of SI base units
volume
valence electrons
halogens
derived unit
31. The p-block elements together with the s-block elements.
plasma
chemical change
main-group elements
periodic law
32. The closeness of measurements to the correct or accepted value of the quantity measured
main-group elements
metal
chemical
accuracy
33. A vertical column of the periodic table
weight
extensive property
family
law of multiple proportions
34. A pure substance made of only one kind of atom
element
metal
scientific method
homogeneous
35. The d-block elements are metals with typical metallic properties.
ionization
atomic number
law of definite proportions
transition metals
36. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
conversion factor
Pauli exclusion principle
electron affinity
solid
37. One wave per second.
matter
quantity
hertz
derived unit
38. Which suborbital. (Py - Px - Pz)
inverse proportion
Aufaub principle
ground state
Magnetic Quantum Number
39. An element that is a good conductor of heat and electricity
metal
alkaline-earth metals
nonmetal
density
40. A positive ion.
cation
intensive property
periodic table
matter
41. The ability of a substance to undergo a change that transforms it into a different substance
average atomic mass
mixture
continuous spectrum
chemical property
42. Anything that has mass and takes up space
matter
accuracy
group
Pauli exclusion principle
43. State in which an atom has a higher potential energy than it has in it's ground state.
electromagnetic spectrum
Pauli exclusion principle
excited state
quantity
44. Which way it spins. (up or down)
Heisenberg Uncertainty Principle
Spin Quantum Number
Quantum Theory
continuous spectrum
45. The total number of protons and neutrons in the nucleus of an isotope
homogeneous
mass number
transition metals
quantum
46. The suborbitals of an atom. (S - P - D - F)
Pauli exclusion principle
percent error
Angular Momentum Quantum Number
chemical reaction
47. A vertical column of the periodic table
main-group elements
derived unit
group
extensive property
48. An electron occupies the lowest-energy orbital that can receive it
atom
Aufaub principle
ground state
atom
49. Mass is neither created nor destroyed duringordinary chemical or physical reactions
periodic law
family
Hund's rule
law of conservation of mass
50. A broad generalization that explains a body of facts or phenomena
theory
pure substance
chemical change
Magnetic Quantum Number
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