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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. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
metal
Pauli exclusion principle
atomic number
Heisenberg Uncertainty Principle
2. A vertical column of the periodic table
group
frequency
average atomic mass
transition metals
3. Mass is neither created nor destroyed duringordinary chemical or physical reactions
law of conservation of mass
chemical
significant figure
noble gas configuration
4. Describes mathematically the wave properties of electrons and other very small particles.
Angular Momentum Quantum Number
element
excited state
Quantum Theory
5. An atom or group of bonded atoms that has a positive or negative charge.
ion
precision
mixture
quantum
6. A unit that is a combination of SI base units
change of state
noble gas
derived unit
mass
7. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
hypothesis
group
alkaline-earth metals
Quantum Numbers
8. The state of matter in which a substance has neither definite volume nor definite shape
gas
mass number
periodic table
law of definite proportions
9. The mass of one mole of a pure substance
frequency
molar mass
chemical
homogeneous
10. The state of matter in which the substance has definite volume and definite shape
solid
electromagnetic radiation
gas
atomic radius
11. A change in which one or more substances are converted into different substances
chemical change
heterogeneous
law of definite proportions
periodic law
12. A substance that is made from the atoms of two or more elements that are chemically bonded
solid
gas
compound
significant figure
13. A change in a substance that does not involve a change in the identity of the substance
SI (Le Système International d'Unités
physical change
periodic law
liquid
14. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
solid
noble gas
mass
significant figure
15. The ability of a substance to undergo a change that transforms it into a different substance
Pauli exclusion principle
chemical property
matter
product
16. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
liquid
Aufaub principle
significant figure
hypothesis
17. Combination of all the forms of electromagnetic radiation.
chemistry
orbital
electromagnetic spectrum
law of definite proportions
18. A vertical column of the periodic table
ionization
mass
Hund's rule
family
19. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
noble gas configuration
law of conservation of mass
matter
electromagnetic radiation
20. The p-block elements together with the s-block elements.
main-group elements
gas
density
Quantum Theory
21. Which way it spins. (up or down)
Spin Quantum Number
Aufaub principle
reactant
intensive property
22. A 3D region around the nucleus that indicates the probable location of an electron.
main-group elements
Magnetic Quantum Number
orbital
intensive property
23. An element that is a good conductor of heat and electricity
orbital
metal
photon
nonmetal
24. A horizontal row of elements in the periodic table
SI (Le Système International d'Unités
period
significant figure
Hund's rule
25. The general term for any isotope of any element
electron configuration
volume
plasma
nuclide
26. The smallest unit of an element that maintains the properties of that element
chemistry
law of definite proportions
hertz
atom
27. Anything that has mass and takes up space
frequency
molar mass
matter
chemical property
28. 1/2 the distance between the nuclei of identical atoms that are bonded together.
periodic law
average atomic mass
physical change
atomic radius
29. The 14 elements with the atomic numbers 58-71.
lanthanide
atomic radius
scientific notation n where the factor M is a scientific notation
atomic number
30. Distance between corresponding points on adjacent waves.
ionization
mass number
wavelength
solid
31. A high-temperature physical state of matter in which atoms lose their electrons
reactant
chemistry
plasma
gas
32. 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
Heisenberg Uncertainty Principle
solid
pure substance
Avogadro's number
33. 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.
molar mass
periodic table
scientific notation n where the factor M is a scientific notation
accuracy
34. The suborbitals of an atom. (S - P - D - F)
periodic table
electromagnetic radiation
ion
Angular Momentum Quantum Number
35. A physical change of a substance from one state to another
group
change of state
physical property
Quantum Numbers
36. No two electrons in the same atom can have the same set of four quantum numbers
alkali metals
Pauli exclusion principle
Heisenberg Uncertainty Principle
significant figure
37. The ratio of mass to volume or mass divided by volume
atom
continuous spectrum
element
density
38. The total number of protons and neutrons in the nucleus of an isotope
continuous spectrum
molar mass
Aufaub principle
mass number
39. An electron occupies the lowest-energy orbital that can receive it
nonmetal
chemistry
alkaline-earth metals
Aufaub principle
40. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
mass
Avogadro's number
wavelength
41. Lowest energy state of an atom.
ground state
noble gas configuration
model
line-emission spectrum
42. State in which an atom has a higher potential energy than it has in it's ground state.
Principle Quantum Number
excited state
electromagnetic radiation
element
43. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
chemical change
Aufaub principle
nuclear force
excited state
44. An element that is a poor conductor of heat and electricity
period
mole
lanthanide
nonmetal
45. Atoms of the same element that have different masses
isotopes
atom
product
Hund's rule
46. The state of matter in which the substance has a definite volume but an indefinite shape
orbital
liquid
atomic radius
transition metals
47. A positive ion.
halogens
accuracy
cation
physical property
48. The measurement system accepted worldwide
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49. Two quantities that give a constant value when one is divided by the other
inverse proportion
direct proportion
scientific notation n where the factor M is a scientific notation
valence electrons
50. The amount of space occupied by an object
model
atom
volume
frequency