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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. 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.
physical change
periodic law
periodic table
accuracy
2. A unit that is a combination of SI base units
significant figure
noble gas configuration
derived unit
Heisenberg Uncertainty Principle
3. The elements of group 2 of the periodic table.
mass
alkaline-earth metals
frequency
quantum
4. A substance that is made from the atoms of two or more elements that are chemically bonded
quantity
gas
alkali metals
compound
5. The amount of space occupied by an object
quantum
electronegativity
Magnetic Quantum Number
volume
6. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
molar mass
ionization energy
mass number
scientific method
7. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
line-emission spectrum
solid
derived unit
8. The elements of group 17 of the periodic table.
halogens
change of state
quantum
molar mass
9. Two quantities that give a constant value when one is divided by the other
hypothesis
noble gas configuration
Principle Quantum Number
direct proportion
10. Number of waves that pass a given point in a specific time - usually one second.
physical property
gas
frequency
intensive property
11. The closeness of a set of measurements of the same quantity made in the same way
precision
extensive property
periodic law
inverse proportion
12. 1/2 the distance between the nuclei of identical atoms that are bonded together.
ionization
system
atomic radius
quantum
13. The measurement system accepted worldwide
14. A 3D region around the nucleus that indicates the probable location of an electron.
ion
weight
atomic radius
orbital
15. Mass is neither created nor destroyed duringordinary chemical or physical reactions
reactant
law of conservation of mass
cation
significant figure
16. A vertical column of the periodic table
group
chemical property
change of state
metal
17. A reaction in which one or more substances are converted into different substances
system
chemical change
Quantum Theory
chemical reaction
18. The elements of group 1 of the periodic table.
actinide
Heisenberg Uncertainty Principle
alkali metals
compound
19. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
line-emission spectrum
valence electrons
electromagnetic radiation
alkali metals
20. 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
chemical property
pure substance
period
wavelength
21. Any process that results in the formation of an ion.
chemical change
photoelectric effect
Quantum Theory
ionization
22. Combination of all the forms of electromagnetic radiation.
Hund's rule
mole
atom
electromagnetic spectrum
23. Any substance that has a definite composition
volume
transition metals
chemical
precision
24. The suborbitals of an atom. (S - P - D - F)
group
Angular Momentum Quantum Number
noble gas
isotopes
25. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
law of definite proportions
periodic table
compound
26. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
SI (Le Système International d'Unités
Quantum Numbers
nonmetal
quantum
27. A broad generalization that explains a body of facts or phenomena
continuous spectrum
density
model
theory
28. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
main-group elements
liquid
scientific notation n where the factor M is a scientific notation
hypothesis
29. The smallest unit of an element that maintains the properties of that element
nuclear force
halogens
precision
atom
30. An outer main energy level occupied - in most cases - by 8 electrons
scientific notation n where the factor M is a scientific notation
volume
electron configuration
noble gas configuration
31. 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
noble gas configuration
lanthanide
Principle Quantum Number
32. A pure substance made of only one kind of atom
electron affinity
element
atom
accuracy
33. Anything that has mass and takes up space
physical change
significant figure
matter
inverse proportion
34. The study of the composition - structure - and properties of matter and the changes it undergoes
ion
atomic number
chemistry
precision
35. An atom or group of bonded atoms that has a positive or negative charge.
chemical change
theory
ion
line-emission spectrum
36. A property that depends on the amount of matter that is present
Quantum Theory
periodic table
extensive property
electron configuration
37. A change in a substance that does not involve a change in the identity of the substance
noble gas
product
noble gas configuration
physical change
38. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
photon
law of multiple proportions
quantum
39. The arrangement of electrons in an atom
mixture
Hund's rule
electron configuration
photon
40. Distance between corresponding points on adjacent waves.
pure substance
compound
wavelength
atom
41. The mass of one mole of a pure substance
percent error
molar mass
reactant
atomic radius
42. Atoms of the same element that have different masses
chemical
isotopes
family
halogens
43. An element that is a poor conductor of heat and electricity
system
nonmetal
nuclide
scientific method
44. A change in which one or more substances are converted into different substances
model
nonmetal
excited state
chemical change
45. Not having a uniform composition throughout
group
theory
heterogeneous
scientific notation n where the factor M is a scientific notation
46. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
atomic radius
periodic law
actinide
halogens
47. A testable statement
Quantum Numbers
hypothesis
transition metals
mass
48. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
mole
extensive property
conversion factor
change of state
49. The state of matter in which a substance has neither definite volume nor definite shape
atomic radius
system
gas
electromagnetic spectrum
50. State in which an atom has a higher potential energy than it has in it's ground state.
change of state
excited state
chemical change
Quantum Theory