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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. A property that depends on the amount of matter that is present
extensive property
electron affinity
matter
product
2. The arrangement of electrons in an atom
nuclide
electron configuration
change of state
electronegativity
3. The total number of protons and neutrons in the nucleus of an isotope
conversion factor
mass
mass number
group
4. A pure substance made of only one kind of atom
element
Hund's rule
ion
atomic radius
5. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
mass
cation
Magnetic Quantum Number
6. Two quantities that have a constant mathematical product
plasma
alkali metals
pure substance
inverse proportion
7. A measure of the gravitational pull on matter
weight
mole
Quantum Theory
conversion factor
8. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
liquid
percent error
lanthanide
9. A measure of the amount of matter
physical change
mass
direct proportion
pure substance
10. Combination of all the forms of electromagnetic radiation.
alkaline-earth metals
excited state
electromagnetic spectrum
hypothesis
11. The energy required to remove one electron from a neutral atom of an element.
ionization energy
pure substance
mixture
density
12. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
heterogeneous
plasma
electromagnetic radiation
molar mass
13. A change in which one or more substances are converted into different substances
nonmetal
noble gas configuration
continuous spectrum
chemical change
14. Distance between corresponding points on adjacent waves.
Avogadro's number
wavelength
quantum
precision
15. 1/2 the distance between the nuclei of identical atoms that are bonded together.
significant figure
atomic radius
atom
Heisenberg Uncertainty Principle
16. Two quantities that give a constant value when one is divided by the other
direct proportion
law of definite proportions
nuclear force
atomic mass unit
17. A unit that is a combination of SI base units
isotopes
anion
nuclear force
derived unit
18. An element that is a good conductor of heat and electricity
ground state
metal
SI (Le Système International d'Unités
scientific method
19. The emission of a continuous range of frequencies of electromagnetic radiation.
atom
continuous spectrum
direct proportion
excited state
20. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
metalloid
chemical reaction
nuclide
scientific method
21. The general term for any isotope of any element
plasma
SI (Le Système International d'Unités
nuclide
chemical
22. A reaction in which one or more substances are converted into different substances
chemical reaction
quantum
electromagnetic spectrum
valence electrons
23. A broad generalization that explains a body of facts or phenomena
electron affinity
heterogeneous
theory
line-emission spectrum
24. A high-temperature physical state of matter in which atoms lose their electrons
plasma
matter
volume
Principle Quantum Number
25. Having a uniform composition throughout
alkali metals
anion
pure substance
homogeneous
26. The number of protons in the nucleus of each atom of an element
compound
atomic number
periodic table
nuclear force
27. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
valence electrons
system
orbital
28. Not having a uniform composition throughout
Quantum Theory
heterogeneous
model
main-group elements
29. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
scientific notation n where the factor M is a scientific notation
excited state
Quantum Theory
frequency
30. An atom or group of bonded atoms that has a positive or negative charge.
photon
ion
excited state
scientific method
31. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
accuracy
noble gas
quantum
32. A testable statement
alkaline-earth metals
hypothesis
model
significant figure
33. 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
matter
intensive property
law of conservation of mass
34. The ability of a substance to undergo a change that transforms it into a different substance
periodic law
chemical property
volume
conversion factor
35. An electron occupies the lowest-energy orbital that can receive it
density
derived unit
Aufaub principle
physical property
36. The closeness of measurements to the correct or accepted value of the quantity measured
metal
inverse proportion
accuracy
anion
37. Which suborbital. (Py - Px - Pz)
volume
Spin Quantum Number
Magnetic Quantum Number
average atomic mass
38. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
chemical property
wavelength
mole
39. An explanation of how phenomena occur and how data or events are related
compound
model
Hund's rule
metalloid
40. A vertical column of the periodic table
homogeneous
noble gas configuration
group
law of multiple proportions
41. The suborbitals of an atom. (S - P - D - F)
molar mass
Angular Momentum Quantum Number
continuous spectrum
Magnetic Quantum Number
42. A blend of two or more kinds of matter - each of which retains its own identity and properties
significant figure
mixture
precision
noble gas
43. The mass of one mole of a pure substance
hypothesis
group
extensive property
molar mass
44. A physical change of a substance from one state to another
atom
frequency
mole
change of state
45. The closeness of a set of measurements of the same quantity made in the same way
atom
precision
scientific notation n where the factor M is a scientific notation
periodic law
46. A property that does not depend on the amount of matter present
gas
intensive property
photon
plasma
47. Number of waves that pass a given point in a specific time - usually one second.
quantum
Hund's rule
frequency
orbital
48. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
direct proportion
atom
significant figure
group
49. A substance that is made from the atoms of two or more elements that are chemically bonded
compound
photoelectric effect
period
molar mass
50. A substance that reacts in a chemical change
hypothesis
homogeneous
reactant
electron configuration