SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Having a uniform composition throughout
homogeneous
law of definite proportions
volume
inverse proportion
2. A property that does not depend on the amount of matter present
model
chemical reaction
intensive property
average atomic mass
3. An element that has some characteristics of metals and some characteristics of nonmetals
group
Magnetic Quantum Number
line-emission spectrum
metalloid
4. Anything that has mass and takes up space
actinide
law of conservation of mass
matter
solid
5. A characteristic that can be observed or measured without changing the identity of the substance
physical property
anion
reactant
wavelength
6. No two electrons in the same atom can have the same set of four quantum numbers
actinide
orbital
Pauli exclusion principle
precision
7. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
family
atomic number
pure substance
nuclear force
8. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
law of definite proportions
atomic number
noble gas
9. A substance that is formed by a chemical change
halogens
product
direct proportion
scientific method
10. A property that depends on the amount of matter that is present
Heisenberg Uncertainty Principle
physical property
SI (Le Système International d'Unités
extensive property
11. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
system
volume
atomic mass unit
periodic law
12. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
chemical
nonmetal
Angular Momentum Quantum Number
13. A positive ion.
cation
accuracy
electron affinity
atom
14. Number of waves that pass a given point in a specific time - usually one second.
isotopes
theory
frequency
electron configuration
15. The elements of group 2 of the periodic table.
chemical change
alkaline-earth metals
metal
direct proportion
16. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
scientific method
intensive property
liquid
Pauli exclusion principle
17. The smallest unit of an element that maintains the properties of that element
gas
direct proportion
Hund's rule
atom
18. The study of the composition - structure - and properties of matter and the changes it undergoes
solid
metalloid
direct proportion
chemistry
19. Combination of all the forms of electromagnetic radiation.
solid
electromagnetic spectrum
atom
element
20. The d-block elements are metals with typical metallic properties.
transition metals
volume
system
electron configuration
21. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
nonmetal
Heisenberg Uncertainty Principle
cation
matter
22. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electronegativity
pure substance
precision
group
23. A vertical column of the periodic table
group
change of state
physical change
lanthanide
24. The total amount of energy level an atom has.
period
physical property
volume
Principle Quantum Number
25. A measure of the amount of matter
mole
mass
precision
metalloid
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
chemistry
system
percent error
quantity
27. An element that is a poor conductor of heat and electricity
significant figure
precision
nonmetal
ionization energy
28. An atom or group of bonded atoms that has a positive or negative charge.
Principle Quantum Number
physical property
electromagnetic spectrum
ion
29. The 14 elements with the atomic numbers 90-103.
alkaline-earth metals
Spin Quantum Number
actinide
ionization
30. The state of matter in which the substance has definite volume and definite shape
nuclear force
law of multiple proportions
solid
intensive property
31. The ability of a substance to undergo a change that transforms it into a different substance
periodic table
excited state
chemical property
mass number
32. A 3D region around the nucleus that indicates the probable location of an electron.
homogeneous
orbital
electromagnetic spectrum
accuracy
33. A broad generalization that explains a body of facts or phenomena
Avogadro's number
line-emission spectrum
noble gas configuration
theory
34. The arrangement of electrons in an atom
nuclide
intensive property
electron configuration
noble gas configuration
35. A substance that has a fixed composition and differs from a mixture in that every sample of a given pure substance has exactly the same characteristic properties and composition
derived unit
ground state
hertz
pure substance
36. Lowest energy state of an atom.
excited state
alkaline-earth metals
scientific method
ground state
37. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
chemical property
periodic table
cation
valence electrons
38. The amount of space occupied by an object
conversion factor
heterogeneous
photon
volume
39. Not having a uniform composition throughout
percent error
mass
SI (Le Système International d'Unités
heterogeneous
40. A substance that is made from the atoms of two or more elements that are chemically bonded
reactant
transition metals
compound
chemistry
41. Describes mathematically the wave properties of electrons and other very small particles.
law of conservation of mass
chemical reaction
atom
Quantum Theory
42. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
atom
quantum
conversion factor
main-group elements
43. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
period
main-group elements
direct proportion
system
44. A reaction in which one or more substances are converted into different substances
chemical reaction
Hund's rule
physical property
law of definite proportions
45. Emission of electrons from a metal when light shines on a metal.
atomic mass unit
photoelectric effect
change of state
nonmetal
46. The p-block elements together with the s-block elements.
main-group elements
quantity
product
theory
47. A pure substance made of only one kind of atom
element
main-group elements
quantum
ionization energy
48. The mass of one mole of a pure substance
molar mass
Hund's rule
line-emission spectrum
SI (Le Système International d'Unités
49. An element that is a good conductor of heat and electricity
mixture
physical property
excited state
metal
50. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
electronegativity
wavelength
physical property