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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. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
atomic number
significant figure
physical change
line-emission spectrum
2. A measure of the amount of matter
chemistry
intensive property
quantity
mass
3. Any substance that has a definite composition
heterogeneous
chemical
liquid
average atomic mass
4. The mass of one mole of a pure substance
mass number
heterogeneous
average atomic mass
molar mass
5. Two quantities that give a constant value when one is divided by the other
intensive property
model
direct proportion
hertz
6. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
ionization
Angular Momentum Quantum Number
noble gas
derived unit
7. The ratio of mass to volume or mass divided by volume
orbital
photon
family
density
8. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
hypothesis
solid
quantity
valence electrons
9. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
volume
electromagnetic radiation
actinide
mole
10. A substance that is formed by a chemical change
lanthanide
product
cation
quantity
11. The state of matter in which a substance has neither definite volume nor definite shape
extensive property
nuclide
electron configuration
gas
12. The ability of a substance to undergo a change that transforms it into a different substance
plasma
photon
chemical property
precision
13. The suborbitals of an atom. (S - P - D - F)
Spin Quantum Number
Avogadro's number
Angular Momentum Quantum Number
Principle Quantum Number
14. Which suborbital. (Py - Px - Pz)
Magnetic Quantum Number
cation
electron affinity
nuclide
15. Anything that has mass and takes up space
matter
accuracy
Quantum Theory
noble gas configuration
16. Any process that results in the formation of an ion.
ionization
atomic radius
nuclear force
noble gas
17. The arrangement of electrons in an atom
electron configuration
atom
law of definite proportions
metal
18. A pure substance made of only one kind of atom
alkaline-earth metals
mole
ionization
element
19. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
mass
system
line-emission spectrum
20. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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21. A blend of two or more kinds of matter - each of which retains its own identity and properties
ionization
mixture
anion
quantum
22. Minimum quantity of energy that can be lost or gained by an atom.
isotopes
weight
quantum
molar mass
23. The amount of space occupied by an object
period
cation
volume
Pauli exclusion principle
24. The total amount of energy level an atom has.
Principle Quantum Number
average atomic mass
alkaline-earth metals
quantum
25. The number of protons in the nucleus of each atom of an element
atomic number
valence electrons
mass
mole
26. The general term for any isotope of any element
extensive property
atomic mass unit
ionization
nuclide
27. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
noble gas
noble gas configuration
excited state
atomic mass unit
28. Describes mathematically the wave properties of electrons and other very small particles.
law of definite proportions
Quantum Theory
group
line-emission spectrum
29. The p-block elements together with the s-block elements.
electronegativity
halogens
main-group elements
percent error
30. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
nuclide
periodic law
mass
chemical property
31. Distance between corresponding points on adjacent waves.
period
percent error
chemical property
wavelength
32. A property that depends on the amount of matter that is present
photon
extensive property
nuclide
inverse proportion
33. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
orbital
Heisenberg Uncertainty Principle
system
derived unit
34. The state of matter in which the substance has a definite volume but an indefinite shape
photon
liquid
main-group elements
atomic number
35. A characteristic that can be observed or measured without changing the identity of the substance
physical property
law of definite proportions
law of conservation of mass
mole
36. The smallest unit of an element that maintains the properties of that element
nonmetal
electromagnetic radiation
intensive property
atom
37. The elements of group 17 of the periodic table.
gas
halogens
actinide
physical change
38. Which way it spins. (up or down)
law of conservation of mass
change of state
Spin Quantum Number
ionization energy
39. 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
electromagnetic spectrum
ionization energy
percent error
40. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
period
physical property
hypothesis
nuclear force
41. The closeness of a set of measurements of the same quantity made in the same way
precision
noble gas configuration
anion
excited state
42. An atom or group of bonded atoms that has a positive or negative charge.
ion
group
liquid
chemical change
43. Not having a uniform composition throughout
Magnetic Quantum Number
mass number
change of state
heterogeneous
44. A vertical column of the periodic table
intensive property
plasma
line-emission spectrum
group
45. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
atomic mass unit
chemistry
change of state
46. A reaction in which one or more substances are converted into different substances
chemical reaction
ionization
main-group elements
Pauli exclusion principle
47. Something that has magnitude - size - or amount
Principle Quantum Number
mass number
quantity
nonmetal
48. A change in a substance that does not involve a change in the identity of the substance
physical change
atomic radius
pure substance
reactant
49. State in which an atom has a higher potential energy than it has in it's ground state.
electromagnetic radiation
excited state
metal
intensive property
50. The study of the composition - structure - and properties of matter and the changes it undergoes
nonmetal
density
chemistry
compound