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. Mass is neither created nor destroyed duringordinary chemical or physical reactions
molar mass
law of conservation of mass
compound
noble gas configuration
2. A broad generalization that explains a body of facts or phenomena
weight
percent error
theory
isotopes
3. The suborbitals of an atom. (S - P - D - F)
electronegativity
Angular Momentum Quantum Number
percent error
actinide
4. One wave per second.
volume
metal
hertz
model
5. The general term for any isotope of any element
nuclide
Angular Momentum Quantum Number
wavelength
Heisenberg Uncertainty Principle
6. The elements of group 1 of the periodic table.
alkali metals
SI (Le Système International d'Unités
pure substance
precision
7. A change in a substance that does not involve a change in the identity of the substance
conversion factor
physical change
liquid
hertz
8. A measure of the amount of matter
liquid
physical property
anion
mass
9. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
electromagnetic radiation
group
physical property
reactant
10. 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
lanthanide
theory
electromagnetic spectrum
law of definite proportions
11. 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
scientific notation n where the factor M is a scientific notation
matter
weight
12. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
element
chemistry
atom
13. A reaction in which one or more substances are converted into different substances
Aufaub principle
conversion factor
extensive property
chemical reaction
14. Describes mathematically the wave properties of electrons and other very small particles.
alkali metals
electron affinity
Quantum Theory
mixture
15. 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
heterogeneous
pure substance
compound
intensive property
16. A physical change of a substance from one state to another
precision
change of state
law of conservation of mass
frequency
17. A measure of the gravitational pull on matter
homogeneous
weight
liquid
system
18. Any substance that has a definite composition
ionization
chemical
nonmetal
atom
19. The elements of group 2 of the periodic table.
intensive property
line-emission spectrum
alkaline-earth metals
chemical reaction
20. Minimum quantity of energy that can be lost or gained by an atom.
quantum
density
main-group elements
cation
21. The measurement system accepted worldwide
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
22. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
mass
Magnetic Quantum Number
intensive property
23. 1/2 the distance between the nuclei of identical atoms that are bonded together.
nuclear force
Spin Quantum Number
atomic radius
matter
24. An element that is a good conductor of heat and electricity
percent error
reactant
metal
photon
25. A horizontal row of elements in the periodic table
law of definite proportions
quantity
period
molar mass
26. Lowest energy state of an atom.
accuracy
ground state
photon
atomic mass unit
27. An element that has some characteristics of metals and some characteristics of nonmetals
halogens
metalloid
Quantum Theory
plasma
28. The 14 elements with the atomic numbers 58-71.
Avogadro's number
lanthanide
mass number
chemistry
29. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
valence electrons
Heisenberg Uncertainty Principle
Hund's rule
electronegativity
30. A substance that is formed by a chemical change
average atomic mass
product
main-group elements
family
31. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
theory
electronegativity
nuclear force
noble gas
32. The 14 elements with the atomic numbers 90-103.
element
system
actinide
mixture
33. Combination of all the forms of electromagnetic radiation.
group
chemical reaction
scientific method
electromagnetic spectrum
34. The smallest unit of an element that maintains the properties of that element
chemical
photon
atom
theory
35. The energy required to remove one electron from a neutral atom of an element.
excited state
conversion factor
intensive property
ionization energy
36. An explanation of how phenomena occur and how data or events are related
system
compound
model
conversion factor
37. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
orbital
mass
solid
38. Number of waves that pass a given point in a specific time - usually one second.
frequency
valence electrons
scientific method
photoelectric effect
39. A testable statement
conversion factor
average atomic mass
reactant
hypothesis
40. A change in which one or more substances are converted into different substances
Angular Momentum Quantum Number
volume
chemical change
percent error
41. The closeness of a set of measurements of the same quantity made in the same way
scientific method
law of multiple proportions
precision
matter
42. An element that is a poor conductor of heat and electricity
homogeneous
atomic radius
nonmetal
Quantum Numbers
43. Not having a uniform composition throughout
electron configuration
frequency
heterogeneous
chemistry
44. The number of protons in the nucleus of each atom of an element
SI (Le Système International d'Unités
atomic number
significant figure
reactant
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.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
46. The emission of a continuous range of frequencies of electromagnetic radiation.
mixture
excited state
ion
continuous spectrum
47. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
hertz
conversion factor
halogens
electron configuration
48. An atom or group of bonded atoms that has a positive or negative charge.
photoelectric effect
precision
ion
nonmetal
49. A property that does not depend on the amount of matter present
intensive property
plasma
compound
significant figure
50. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
atomic radius
molar mass
atomic mass unit
nonmetal