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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 blend of two or more kinds of matter - each of which retains its own identity and properties
nuclide
mixture
heterogeneous
hertz
2. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
Quantum Theory
conversion factor
halogens
Aufaub principle
3. The state of matter in which a substance has neither definite volume nor definite shape
chemical
gas
conversion factor
ionization
4. The total amount of energy level an atom has.
alkaline-earth metals
extensive property
Principle Quantum Number
scientific method
5. A measure of the amount of matter
mass
Pauli exclusion principle
physical property
line-emission spectrum
6. The smallest unit of an element that maintains the properties of that element
atom
precision
extensive property
electromagnetic radiation
7. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
law of multiple proportions
periodic law
weight
8. 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
direct proportion
homogeneous
chemical property
9. A positive ion.
cation
photoelectric effect
chemistry
model
10. The state of matter in which the substance has definite volume and definite shape
solid
Avogadro's number
transition metals
hypothesis
11. The elements of group 17 of the periodic table.
orbital
noble gas
family
halogens
12. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
plasma
ion
actinide
line-emission spectrum
13. An atom or group of bonded atoms that has a positive or negative charge.
Quantum Theory
ion
ground state
lanthanide
14. 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.
accuracy
periodic table
electron affinity
atomic number
15. Atoms of the same element that have different masses
quantum
main-group elements
isotopes
chemistry
16. Minimum quantity of energy that can be lost or gained by an atom.
product
quantum
chemical
model
17. Something that has magnitude - size - or amount
precision
atom
ionization
quantity
18. A reaction in which one or more substances are converted into different substances
excited state
nuclear force
chemical reaction
homogeneous
19. The amount of space occupied by an object
Heisenberg Uncertainty Principle
family
liquid
volume
20. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
hertz
significant figure
system
chemical reaction
21. Number of waves that pass a given point in a specific time - usually one second.
plasma
frequency
isotopes
hertz
22. The number of protons in the nucleus of each atom of an element
atomic number
electronegativity
mass
element
23. A broad generalization that explains a body of facts or phenomena
chemical reaction
isotopes
theory
mixture
24. A measure of the gravitational pull on matter
ionization energy
ion
volume
weight
25. The state of matter in which the substance has a definite volume but an indefinite shape
cation
liquid
matter
group
26. 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
chemical
Principle Quantum Number
27. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
Aufaub principle
atomic number
valence electrons
volume
28. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
atomic number
density
molar mass
29. A unit that is a combination of SI base units
reactant
derived unit
change of state
precision
30. A negative ion.
atomic mass unit
anion
valence electrons
precision
31. The elements of group 2 of the periodic table.
heterogeneous
alkali metals
line-emission spectrum
alkaline-earth metals
32. A pure substance made of only one kind of atom
element
mass
atomic mass unit
noble gas configuration
33. Anything that has mass and takes up space
reactant
Principle Quantum Number
group
matter
34. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
ground state
periodic table
Heisenberg Uncertainty Principle
system
35. The 14 elements with the atomic numbers 58-71.
nuclide
SI (Le Système International d'Unités
chemical property
lanthanide
36. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
plasma
group
continuous spectrum
37. The 14 elements with the atomic numbers 90-103.
atom
scientific notation n where the factor M is a scientific notation
chemistry
actinide
38. A substance that reacts in a chemical change
reactant
Spin Quantum Number
nuclide
chemical reaction
39. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
homogeneous
wavelength
nuclear force
noble gas
40. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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41. An element that has some characteristics of metals and some characteristics of nonmetals
ion
metalloid
electron affinity
nuclide
42. A high-temperature physical state of matter in which atoms lose their electrons
plasma
intensive property
atomic radius
Magnetic Quantum Number
43. The general term for any isotope of any element
nuclide
line-emission spectrum
chemical reaction
Spin Quantum Number
44. 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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45. A property that does not depend on the amount of matter present
atom
intensive property
Quantum Theory
Principle Quantum Number
46. An electron occupies the lowest-energy orbital that can receive it
orbital
weight
compound
Aufaub principle
47. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
metalloid
atom
metal
48. One wave per second.
hertz
scientific method
molar mass
photon
49. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
orbital
Heisenberg Uncertainty Principle
nuclide
model
50. Distance between corresponding points on adjacent waves.
wavelength
chemical change
electronegativity
Quantum Numbers