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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. 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
chemical reaction
excited state
transition metals
2. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
atomic number
atomic mass unit
Quantum Numbers
isotopes
3. A vertical column of the periodic table
family
chemical change
conversion factor
electronegativity
4. A measure of the gravitational pull on matter
Pauli exclusion principle
percent error
wavelength
weight
5. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
Heisenberg Uncertainty Principle
alkaline-earth metals
Magnetic Quantum Number
6. Distance between corresponding points on adjacent waves.
wavelength
atom
chemical change
actinide
7. The general term for any isotope of any element
hypothesis
nuclide
electromagnetic radiation
accuracy
8. The total number of protons and neutrons in the nucleus of an isotope
accuracy
group
mass number
nuclide
9. A physical change of a substance from one state to another
change of state
periodic table
photoelectric effect
main-group elements
10. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
volume
system
average atomic mass
alkaline-earth metals
11. Anything that has mass and takes up space
matter
SI (Le Système International d'Unités
law of definite proportions
pure substance
12. The amount of space occupied by an object
volume
electromagnetic spectrum
reactant
derived unit
13. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
Aufaub principle
theory
Quantum Theory
mole
14. A characteristic that can be observed or measured without changing the identity of the substance
model
mass
intensive property
physical property
15. The ratio of mass to volume or mass divided by volume
chemical reaction
density
actinide
valence electrons
16. An explanation of how phenomena occur and how data or events are related
chemical property
model
isotopes
product
17. No two electrons in the same atom can have the same set of four quantum numbers
quantity
atomic number
Pauli exclusion principle
alkaline-earth metals
18. A property that does not depend on the amount of matter present
hypothesis
element
mixture
intensive property
19. The elements of group 17 of the periodic table.
accuracy
halogens
hertz
electron configuration
20. State in which an atom has a higher potential energy than it has in it's ground state.
electron affinity
Quantum Numbers
reactant
excited state
21. The p-block elements together with the s-block elements.
noble gas
main-group elements
theory
line-emission spectrum
22. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
electron affinity
physical property
scientific notation n where the factor M is a scientific notation
Pauli exclusion principle
23. The measurement system accepted worldwide
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24. A 3D region around the nucleus that indicates the probable location of an electron.
orbital
gas
Aufaub principle
electronegativity
25. Combination of all the forms of electromagnetic radiation.
period
periodic law
electromagnetic spectrum
system
26. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Heisenberg Uncertainty Principle
physical property
alkaline-earth metals
percent error
27. Which suborbital. (Py - Px - Pz)
Magnetic Quantum Number
atomic radius
volume
average atomic mass
28. A property that depends on the amount of matter that is present
extensive property
accuracy
Quantum Numbers
group
29. The arrangement of electrons in an atom
electron configuration
excited state
product
weight
30. 1/2 the distance between the nuclei of identical atoms that are bonded together.
direct proportion
atomic radius
actinide
metalloid
31. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
conversion factor
liquid
atomic radius
32. A unit that is a combination of SI base units
derived unit
Pauli exclusion principle
direct proportion
liquid
33. A chemical compound contains the same elementsin exactly the same proportions by mass regardless of the size of the sample orthe source of the compound
conversion factor
derived unit
cation
law of definite proportions
34. An element that has some characteristics of metals and some characteristics of nonmetals
conversion factor
heterogeneous
scientific notation n where the factor M is a scientific notation
metalloid
35. The mass of one mole of a pure substance
nuclide
Principle Quantum Number
molar mass
ionization
36. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
scientific method
plasma
electromagnetic radiation
extensive property
37. A horizontal row of elements in the periodic table
period
mixture
scientific notation n where the factor M is a scientific notation
chemical reaction
38. The energy change that occurs when an electron is acquired by a neutral atom.
scientific method
electron affinity
nonmetal
ionization energy
39. A testable statement
hypothesis
family
scientific notation n where the factor M is a scientific notation
lanthanide
40. The state of matter in which the substance has definite volume and definite shape
model
Pauli exclusion principle
ground state
solid
41. Mass is neither created nor destroyed duringordinary chemical or physical reactions
law of conservation of mass
main-group elements
liquid
plasma
42. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
significant figure
element
physical change
molar mass
43. A change in which one or more substances are converted into different substances
chemical property
Avogadro's number
chemical change
electromagnetic spectrum
44. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
ground state
mass
law of multiple proportions
45. A reaction in which one or more substances are converted into different substances
physical property
atomic radius
law of definite proportions
chemical reaction
46. 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
pure substance
system
lanthanide
47. The elements of group 2 of the periodic table.
electronegativity
wavelength
alkaline-earth metals
quantity
48. A change in a substance that does not involve a change in the identity of the substance
inverse proportion
wavelength
physical change
main-group elements
49. A high-temperature physical state of matter in which atoms lose their electrons
plasma
model
density
electron configuration
50. Atoms of the same element that have different masses
inverse proportion
heterogeneous
isotopes
cation