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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. Minimum quantity of energy that can be lost or gained by an atom.
period
family
quantum
nuclear force
2. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
mole
percent error
Magnetic Quantum Number
atomic number
3. Not having a uniform composition throughout
mass
law of definite proportions
heterogeneous
scientific method
4. A high-temperature physical state of matter in which atoms lose their electrons
hertz
law of conservation of mass
Heisenberg Uncertainty Principle
plasma
5. A pure substance made of only one kind of atom
element
metal
atomic radius
excited state
6. The mass of one mole of a pure substance
molar mass
reactant
mixture
direct proportion
7. The general term for any isotope of any element
period
reactant
Aufaub principle
nuclide
8. Number of waves that pass a given point in a specific time - usually one second.
Spin Quantum Number
solid
Pauli exclusion principle
frequency
9. A substance that reacts in a chemical change
nuclear force
physical change
reactant
cation
10. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
Avogadro's number
photon
compound
scientific notation n where the factor M is a scientific notation
11. The closeness of measurements to the correct or accepted value of the quantity measured
pure substance
accuracy
physical change
electromagnetic radiation
12. A substance that is made from the atoms of two or more elements that are chemically bonded
compound
mass number
Heisenberg Uncertainty Principle
reactant
13. The amount of space occupied by an object
main-group elements
volume
orbital
accuracy
14. Any process that results in the formation of an ion.
physical change
ionization
cation
nuclide
15. The study of the composition - structure - and properties of matter and the changes it undergoes
solid
Quantum Numbers
chemical change
chemistry
16. The energy change that occurs when an electron is acquired by a neutral atom.
molar mass
electron affinity
metalloid
Magnetic Quantum Number
17. A testable statement
law of definite proportions
physical property
inverse proportion
hypothesis
18. 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
law of definite proportions
weight
law of conservation of mass
orbital
19. 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
ground state
law of multiple proportions
metal
extensive property
20. An explanation of how phenomena occur and how data or events are related
precision
chemical reaction
model
intensive property
21. An outer main energy level occupied - in most cases - by 8 electrons
photoelectric effect
noble gas configuration
compound
scientific notation n where the factor M is a scientific notation
22. No two electrons in the same atom can have the same set of four quantum numbers
cation
Avogadro's number
Aufaub principle
Pauli exclusion principle
23. The d-block elements are metals with typical metallic properties.
ionization
period
transition metals
actinide
24. 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
volume
electromagnetic spectrum
pure substance
reactant
25. The 14 elements with the atomic numbers 90-103.
metal
product
actinide
SI (Le Système International d'Unités
26. A reaction in which one or more substances are converted into different substances
matter
atomic radius
chemical reaction
electron affinity
27. 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.
conversion factor
periodic table
compound
wavelength
28. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
orbital
Quantum Numbers
electronegativity
law of definite proportions
29. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
wavelength
reactant
photon
physical property
30. A vertical column of the periodic table
molar mass
Avogadro's number
extensive property
group
31. Anything that has mass and takes up space
valence electrons
matter
law of conservation of mass
element
32. One wave per second.
line-emission spectrum
actinide
system
hertz
33. The ability of a substance to undergo a change that transforms it into a different substance
continuous spectrum
chemical property
wavelength
ground state
34. A substance that is formed by a chemical change
product
change of state
law of conservation of mass
hypothesis
35. The state of matter in which the substance has a definite volume but an indefinite shape
Spin Quantum Number
conversion factor
inverse proportion
liquid
36. The p-block elements together with the s-block elements.
electromagnetic radiation
main-group elements
quantity
ion
37. A physical change of a substance from one state to another
quantum
change of state
element
chemical change
38. The total number of protons and neutrons in the nucleus of an isotope
model
mass number
orbital
Angular Momentum Quantum Number
39. An element that is a good conductor of heat and electricity
metal
Avogadro's number
extensive property
hypothesis
40. An electron occupies the lowest-energy orbital that can receive it
atomic radius
average atomic mass
anion
Aufaub principle
41. The 14 elements with the atomic numbers 58-71.
pure substance
chemical reaction
lanthanide
intensive property
42. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
actinide
mole
electronegativity
chemical property
43. A change in which one or more substances are converted into different substances
chemical change
valence electrons
periodic law
noble gas configuration
44. A 3D region around the nucleus that indicates the probable location of an electron.
alkaline-earth metals
ionization energy
orbital
metal
45. Distance between corresponding points on adjacent waves.
group
wavelength
Quantum Numbers
Angular Momentum Quantum Number
46. State in which an atom has a higher potential energy than it has in it's ground state.
cation
scientific notation n where the factor M is a scientific notation
density
excited state
47. Which suborbital. (Py - Px - Pz)
isotopes
plasma
liquid
Magnetic Quantum Number
48. The measurement system accepted worldwide
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49. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
gas
ionization
electromagnetic radiation
Avogadro's number
50. Atoms of the same element that have different masses
ground state
solid
law of definite proportions
isotopes