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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. An outer main energy level occupied - in most cases - by 8 electrons
mass
Pauli exclusion principle
atomic mass unit
noble gas configuration
2. A physical change of a substance from one state to another
ground state
atomic radius
system
change of state
3. The ability of a substance to undergo a change that transforms it into a different substance
quantity
atomic radius
line-emission spectrum
chemical property
4. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
5. The p-block elements together with the s-block elements.
Magnetic Quantum Number
atomic number
gas
main-group elements
6. A vertical column of the periodic table
nonmetal
family
chemical reaction
cation
7. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
nuclide
electron affinity
electromagnetic radiation
8. A change in a substance that does not involve a change in the identity of the substance
physical change
noble gas configuration
group
electronegativity
9. Combination of all the forms of electromagnetic radiation.
noble gas configuration
electromagnetic spectrum
quantity
chemical reaction
10. The closeness of a set of measurements of the same quantity made in the same way
Quantum Numbers
halogens
precision
chemical reaction
11. Mass is neither created nor destroyed duringordinary chemical or physical reactions
chemical
compound
law of conservation of mass
photon
12. A horizontal row of elements in the periodic table
chemistry
chemical change
halogens
period
13. Something that has magnitude - size - or amount
Quantum Numbers
quantity
mass
physical property
14. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
accuracy
system
chemistry
ionization
15. Any substance that has a definite composition
Pauli exclusion principle
period
inverse proportion
chemical
16. Two quantities that give a constant value when one is divided by the other
Heisenberg Uncertainty Principle
percent error
direct proportion
element
17. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
theory
cation
nuclear force
reactant
18. The d-block elements are metals with typical metallic properties.
transition metals
Quantum Numbers
change of state
mass
19. Any process that results in the formation of an ion.
ionization
atomic number
quantity
nuclear force
20. A testable statement
atomic number
pure substance
system
hypothesis
21. An element that is a poor conductor of heat and electricity
intensive property
law of conservation of mass
physical property
nonmetal
22. An element that is a good conductor of heat and electricity
Heisenberg Uncertainty Principle
metal
photoelectric effect
nuclide
23. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
conversion factor
significant figure
electron configuration
atomic number
24. Atoms of the same element that have different masses
isotopes
Angular Momentum Quantum Number
element
ion
25. The measurement system accepted worldwide
26. The number of protons in the nucleus of each atom of an element
atomic number
Angular Momentum Quantum Number
wavelength
extensive property
27. Describes mathematically the wave properties of electrons and other very small particles.
law of conservation of mass
Quantum Theory
photoelectric effect
matter
28. A pure substance made of only one kind of atom
valence electrons
metalloid
liquid
element
29. A measure of the amount of matter
mass
theory
transition metals
wavelength
30. A 3D region around the nucleus that indicates the probable location of an electron.
hypothesis
nuclide
orbital
mole
31. Having a uniform composition throughout
physical change
homogeneous
theory
molar mass
32. 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.
density
periodic table
noble gas configuration
Spin Quantum Number
33. One wave per second.
hertz
molar mass
periodic table
atom
34. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
scientific method
compound
valence electrons
scientific notation n where the factor M is a scientific notation
35. The state of matter in which the substance has definite volume and definite shape
cation
electromagnetic spectrum
solid
quantity
36. A property that does not depend on the amount of matter present
inverse proportion
frequency
intensive property
alkali metals
37. Lowest energy state of an atom.
mole
ground state
metal
continuous spectrum
38. A broad generalization that explains a body of facts or phenomena
frequency
atom
theory
electron configuration
39. The total number of protons and neutrons in the nucleus of an isotope
Avogadro's number
homogeneous
orbital
mass number
40. Two quantities that have a constant mathematical product
chemical change
inverse proportion
atomic mass unit
change of state
41. Not having a uniform composition throughout
Magnetic Quantum Number
heterogeneous
plasma
frequency
42. The total amount of energy level an atom has.
main-group elements
Principle Quantum Number
product
law of conservation of mass
43. The energy required to remove one electron from a neutral atom of an element.
main-group elements
atomic radius
ionization energy
line-emission spectrum
44. A positive ion.
conversion factor
photoelectric effect
percent error
cation
45. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
density
Hund's rule
continuous spectrum
photon
46. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
solid
ionization
scientific notation n where the factor M is a scientific notation
Angular Momentum Quantum Number
47. An electron occupies the lowest-energy orbital that can receive it
law of conservation of mass
orbital
Aufaub principle
inverse proportion
48. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
family
homogeneous
line-emission spectrum
chemical
49. An element that has some characteristics of metals and some characteristics of nonmetals
periodic table
law of definite proportions
plasma
metalloid
50. Which suborbital. (Py - Px - Pz)
Aufaub principle
line-emission spectrum
Magnetic Quantum Number
transition metals