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. A change in which one or more substances are converted into different substances
chemical change
conversion factor
scientific method
precision
2. Which way it spins. (up or down)
Spin Quantum Number
hertz
atom
volume
3. Distance between corresponding points on adjacent waves.
precision
Aufaub principle
model
wavelength
4. The closeness of a set of measurements of the same quantity made in the same way
noble gas configuration
lanthanide
ground state
precision
5. No two electrons in the same atom can have the same set of four quantum numbers
change of state
Pauli exclusion principle
inverse proportion
hypothesis
6. A high-temperature physical state of matter in which atoms lose their electrons
actinide
ion
plasma
isotopes
7. An outer main energy level occupied - in most cases - by 8 electrons
photon
noble gas configuration
density
pure substance
8. Mass is neither created nor destroyed duringordinary chemical or physical reactions
system
hypothesis
law of conservation of mass
law of definite proportions
9. Two quantities that give a constant value when one is divided by the other
alkaline-earth metals
theory
weight
direct proportion
10. The elements of group 2 of the periodic table.
alkaline-earth metals
compound
direct proportion
change of state
11. Any process that results in the formation of an ion.
volume
ionization
ground state
lanthanide
12. One wave per second.
electron affinity
hertz
mole
ground state
13. A pure substance made of only one kind of atom
significant figure
Angular Momentum Quantum Number
heterogeneous
element
14. The state of matter in which the substance has definite volume and definite shape
precision
average atomic mass
theory
solid
15. Minimum quantity of energy that can be lost or gained by an atom.
isotopes
mass number
quantum
inverse proportion
16. A 3D region around the nucleus that indicates the probable location of an electron.
atom
actinide
atom
orbital
17. A vertical column of the periodic table
extensive property
scientific notation n where the factor M is a scientific notation
Hund's rule
group
18. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Heisenberg Uncertainty Principle
law of multiple proportions
group
periodic table
19. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
direct proportion
anion
compound
line-emission spectrum
20. The number of protons in the nucleus of each atom of an element
atomic number
accuracy
percent error
electromagnetic radiation
21. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers
electron configuration
law of multiple proportions
noble gas configuration
mass
22. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
alkali metals
significant figure
plasma
atomic number
23. A substance that is made from the atoms of two or more elements that are chemically bonded
compound
quantity
physical change
Angular Momentum Quantum Number
24. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
physical change
main-group elements
periodic law
orbital
25. A property that does not depend on the amount of matter present
intensive property
chemistry
product
isotopes
26. 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
Heisenberg Uncertainty Principle
actinide
periodic table
27. A negative ion.
isotopes
homogeneous
anion
scientific method
28. Number of waves that pass a given point in a specific time - usually one second.
nuclear force
Angular Momentum Quantum Number
solid
frequency
29. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
volume
inverse proportion
liquid
30. An element that has some characteristics of metals and some characteristics of nonmetals
percent error
metalloid
electron configuration
compound
31. The state of matter in which a substance has neither definite volume nor definite shape
system
ion
product
gas
32. Lowest energy state of an atom.
model
alkaline-earth metals
excited state
ground state
33. Combination of all the forms of electromagnetic radiation.
cation
electromagnetic spectrum
chemistry
weight
34. A testable statement
Principle Quantum Number
frequency
Aufaub principle
hypothesis
35. A horizontal row of elements in the periodic table
period
hypothesis
Avogadro's number
Quantum Numbers
36. Two quantities that have a constant mathematical product
plasma
law of multiple proportions
inverse proportion
electromagnetic radiation
37. The emission of a continuous range of frequencies of electromagnetic radiation.
Principle Quantum Number
continuous spectrum
ionization
molar mass
38. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
physical property
Quantum Theory
ionization energy
noble gas
39. A broad generalization that explains a body of facts or phenomena
theory
direct proportion
electromagnetic spectrum
Hund's rule
40. A measure of the amount of matter
quantum
valence electrons
mass
reactant
41. The ratio of mass to volume or mass divided by volume
density
electromagnetic spectrum
precision
electron affinity
42. Anything that has mass and takes up space
noble gas configuration
molar mass
main-group elements
matter
43. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
Heisenberg Uncertainty Principle
orbital
conversion factor
periodic table
44. The amount of space occupied by an object
law of definite proportions
volume
quantum
electron affinity
45. 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
average atomic mass
electron affinity
anion
46. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
inverse proportion
electromagnetic radiation
hertz
liquid
47. The smallest unit of an element that maintains the properties of that element
atom
physical property
law of conservation of mass
plasma
48. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Heisenberg Uncertainty Principle
Quantum Numbers
anion
photoelectric effect
49. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
extensive property
group
nuclear force
scientific notation n where the factor M is a scientific notation
50. The suborbitals of an atom. (S - P - D - F)
photoelectric effect
Angular Momentum Quantum Number
pure substance
mass number