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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. Something that has magnitude - size - or amount
inverse proportion
extensive property
quantity
anion
2. The measurement system accepted worldwide
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3. An element that has some characteristics of metals and some characteristics of nonmetals
mass
homogeneous
metalloid
lanthanide
4. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
change of state
average atomic mass
accuracy
pure substance
5. A negative ion.
nuclide
atom
anion
cation
6. A characteristic that can be observed or measured without changing the identity of the substance
element
physical property
accuracy
law of conservation of mass
7. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
chemical reaction
ion
actinide
8. The closeness of a set of measurements of the same quantity made in the same way
hypothesis
precision
Principle Quantum Number
Avogadro's number
9. The mass of one mole of a pure substance
chemical change
pure substance
hertz
molar mass
10. The number of protons in the nucleus of each atom of an element
excited state
valence electrons
atomic number
accuracy
11. Minimum quantity of energy that can be lost or gained by an atom.
derived unit
chemical change
quantum
chemical property
12. A physical change of a substance from one state to another
change of state
electromagnetic radiation
main-group elements
electronegativity
13. The state of matter in which the substance has definite volume and definite shape
intensive property
law of definite proportions
Avogadro's number
solid
14. A blend of two or more kinds of matter - each of which retains its own identity and properties
mixture
nuclear force
pure substance
Quantum Numbers
15. Any substance that has a definite composition
orbital
atomic number
chemical
law of multiple proportions
16. Two quantities that have a constant mathematical product
valence electrons
transition metals
atom
inverse proportion
17. A unit that is a combination of SI base units
derived unit
Aufaub principle
law of conservation of mass
theory
18. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
liquid
group
valence electrons
wavelength
19. Atoms of the same element that have different masses
isotopes
atomic number
product
atom
20. The d-block elements are metals with typical metallic properties.
transition metals
physical change
direct proportion
model
21. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
metal
law of conservation of mass
alkali metals
22. State in which an atom has a higher potential energy than it has in it's ground state.
chemical reaction
excited state
actinide
nonmetal
23. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
wavelength
inverse proportion
derived unit
Heisenberg Uncertainty Principle
24. Emission of electrons from a metal when light shines on a metal.
intensive property
homogeneous
photoelectric effect
physical change
25. A substance that reacts in a chemical change
Aufaub principle
compound
reactant
periodic table
26. 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.
period
atomic number
Pauli exclusion principle
periodic table
27. The state of matter in which the substance has a definite volume but an indefinite shape
hypothesis
anion
chemical reaction
liquid
28. Any process that results in the formation of an ion.
ionization
ionization energy
electromagnetic radiation
physical change
29. Number of waves that pass a given point in a specific time - usually one second.
liquid
atomic mass unit
frequency
Spin Quantum Number
30. The state of matter in which a substance has neither definite volume nor definite shape
gas
photon
atom
chemical
31. An element that is a good conductor of heat and electricity
metal
derived unit
pure substance
law of definite proportions
32. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
Angular Momentum Quantum Number
mole
ion
electronegativity
33. A high-temperature physical state of matter in which atoms lose their electrons
orbital
main-group elements
plasma
chemistry
34. An electron occupies the lowest-energy orbital that can receive it
group
cation
chemical property
Aufaub principle
35. A vertical column of the periodic table
model
gas
alkaline-earth metals
group
36. The suborbitals of an atom. (S - P - D - F)
electron configuration
chemical
Angular Momentum Quantum Number
physical change
37. A measure of the amount of matter
Aufaub principle
mass
alkaline-earth metals
nuclear force
38. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
volume
nuclear force
reactant
physical change
39. 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.
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40. Distance between corresponding points on adjacent waves.
chemistry
mass
wavelength
compound
41. The total number of protons and neutrons in the nucleus of an isotope
mass number
line-emission spectrum
metalloid
atomic radius
42. A horizontal row of elements in the periodic table
law of multiple proportions
system
period
reactant
43. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
scientific notation n where the factor M is a scientific notation
element
extensive property
Magnetic Quantum Number
44. The emission of a continuous range of frequencies of electromagnetic radiation.
excited state
molar mass
continuous spectrum
chemical
45. Mass is neither created nor destroyed duringordinary chemical or physical reactions
ion
ionization energy
law of conservation of mass
chemical
46. An outer main energy level occupied - in most cases - by 8 electrons
electron affinity
noble gas configuration
molar mass
ionization energy
47. Two quantities that give a constant value when one is divided by the other
Hund's rule
compound
molar mass
direct proportion
48. One wave per second.
hertz
actinide
significant figure
percent error
49. The elements of group 1 of the periodic table.
alkali metals
atomic number
valence electrons
conversion factor
50. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
electromagnetic radiation
law of conservation of mass
product
gas