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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 element that is a good conductor of heat and electricity
metal
SI (Le Système International d'Unités
product
law of multiple proportions
2. The amount of space occupied by an object
Principle Quantum Number
volume
hypothesis
law of definite proportions
3. Combination of all the forms of electromagnetic radiation.
law of multiple proportions
hypothesis
Magnetic Quantum Number
electromagnetic spectrum
4. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
chemical property
line-emission spectrum
scientific notation n where the factor M is a scientific notation
significant figure
5. The total amount of energy level an atom has.
Principle Quantum Number
photoelectric effect
ground state
lanthanide
6. The arrangement of electrons in an atom
electron configuration
periodic table
excited state
theory
7. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
Magnetic Quantum Number
atomic mass unit
hypothesis
law of definite proportions
8. One wave per second.
mass number
atom
hertz
percent error
9. A property that depends on the amount of matter that is present
alkali metals
Magnetic Quantum Number
main-group elements
extensive property
10. Which suborbital. (Py - Px - Pz)
Magnetic Quantum Number
electromagnetic radiation
family
noble gas configuration
11. The elements of group 17 of the periodic table.
alkali metals
cation
halogens
law of definite proportions
12. Having a uniform composition throughout
quantity
homogeneous
solid
volume
13. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
conversion factor
lanthanide
cation
Principle Quantum Number
14. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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15. The measurement system accepted worldwide
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16. A testable statement
hypothesis
hertz
atomic radius
isotopes
17. The state of matter in which a substance has neither definite volume nor definite shape
physical property
gas
Aufaub principle
mole
18. A change in a substance that does not involve a change in the identity of the substance
scientific notation n where the factor M is a scientific notation
lanthanide
scientific method
physical change
19. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
density
mixture
weight
scientific notation n where the factor M is a scientific notation
20. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
nuclear force
main-group elements
nonmetal
Spin Quantum Number
21. Anything that has mass and takes up space
cation
matter
main-group elements
precision
22. Lowest energy state of an atom.
continuous spectrum
frequency
ground state
reactant
23. 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
SI (Le Système International d'Unités
law of definite proportions
density
cation
24. The p-block elements together with the s-block elements.
Heisenberg Uncertainty Principle
main-group elements
ionization
actinide
25. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
precision
nonmetal
nuclide
26. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
weight
Spin Quantum Number
Principle Quantum Number
scientific method
27. The total number of protons and neutrons in the nucleus of an isotope
metalloid
electron configuration
family
mass number
28. Describes mathematically the wave properties of electrons and other very small particles.
molar mass
periodic table
chemical property
Quantum Theory
29. The state of matter in which the substance has definite volume and definite shape
continuous spectrum
reactant
physical change
solid
30. A vertical column of the periodic table
average atomic mass
significant figure
family
chemical change
31. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
average atomic mass
heterogeneous
product
electronegativity
32. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Heisenberg Uncertainty Principle
Spin Quantum Number
Aufaub principle
hertz
33. The elements of group 1 of the periodic table.
percent error
alkali metals
electromagnetic radiation
intensive property
34. A high-temperature physical state of matter in which atoms lose their electrons
ionization energy
valence electrons
plasma
Spin Quantum Number
35. 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.
electromagnetic spectrum
periodic table
theory
photon
36. The state of matter in which the substance has a definite volume but an indefinite shape
photon
excited state
law of definite proportions
liquid
37. A property that does not depend on the amount of matter present
actinide
wavelength
volume
intensive property
38. Something that has magnitude - size - or amount
quantity
electromagnetic spectrum
quantum
group
39. Emission of electrons from a metal when light shines on a metal.
liquid
ground state
photoelectric effect
main-group elements
40. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
percent error
molar mass
mixture
electronegativity
41. A measure of the gravitational pull on matter
weight
group
inverse proportion
mixture
42. A unit that is a combination of SI base units
atom
chemical reaction
derived unit
electron configuration
43. A 3D region around the nucleus that indicates the probable location of an electron.
nonmetal
orbital
extensive property
significant figure
44. An explanation of how phenomena occur and how data or events are related
model
ionization
gas
lanthanide
45. 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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46. A substance that is made from the atoms of two or more elements that are chemically bonded
liquid
halogens
continuous spectrum
compound
47. A negative ion.
anion
wavelength
isotopes
Heisenberg Uncertainty Principle
48. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
hertz
atomic mass unit
photoelectric effect
Quantum Numbers
49. The closeness of a set of measurements of the same quantity made in the same way
law of multiple proportions
significant figure
nuclide
precision
50. The mass of one mole of a pure substance
molar mass
element
physical change
transition metals