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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. Not having a uniform composition throughout
nuclide
Pauli exclusion principle
heterogeneous
precision
2. Any substance that has a definite composition
chemical
transition metals
average atomic mass
Principle Quantum Number
3. The total number of protons and neutrons in the nucleus of an isotope
Quantum Theory
conversion factor
excited state
mass number
4. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
percent error
metalloid
weight
electromagnetic radiation
5. An element that has some characteristics of metals and some characteristics of nonmetals
metalloid
scientific notation n where the factor M is a scientific notation
quantity
orbital
6. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
atomic mass unit
chemical
electronegativity
main-group elements
7. A substance that is made from the atoms of two or more elements that are chemically bonded
system
nuclide
compound
volume
8. The state of matter in which a substance has neither definite volume nor definite shape
electromagnetic radiation
gas
chemistry
precision
9. 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
hypothesis
product
pure substance
model
10. The p-block elements together with the s-block elements.
family
law of multiple proportions
main-group elements
cation
11. An electron occupies the lowest-energy orbital that can receive it
hertz
Aufaub principle
derived unit
nuclide
12. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
precision
density
Spin Quantum Number
scientific method
13. Distance between corresponding points on adjacent waves.
extensive property
wavelength
mixture
chemical property
14. The d-block elements are metals with typical metallic properties.
period
physical property
transition metals
Angular Momentum Quantum Number
15. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
atom
law of multiple proportions
Quantum Numbers
16. The elements of group 17 of the periodic table.
quantity
compound
halogens
alkaline-earth metals
17. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
significant figure
atomic number
system
metal
18. The elements of group 1 of the periodic table.
periodic table
density
alkali metals
gas
19. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
physical property
significant figure
electromagnetic spectrum
solid
20. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
hertz
Heisenberg Uncertainty Principle
family
atom
21. The ability of a substance to undergo a change that transforms it into a different substance
Quantum Numbers
hypothesis
chemical property
period
22. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
theory
change of state
average atomic mass
chemistry
23. A substance that is formed by a chemical change
nuclide
element
Heisenberg Uncertainty Principle
product
24. A vertical column of the periodic table
family
inverse proportion
halogens
compound
25. Which suborbital. (Py - Px - Pz)
mole
Magnetic Quantum Number
change of state
family
26. A broad generalization that explains a body of facts or phenomena
theory
homogeneous
periodic table
Heisenberg Uncertainty Principle
27. Number of waves that pass a given point in a specific time - usually one second.
period
compound
electromagnetic radiation
frequency
28. A measure of the amount of matter
theory
ionization energy
mass
nuclide
29. The measurement system accepted worldwide
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30. Any process that results in the formation of an ion.
quantity
ionization
precision
actinide
31. The smallest unit of an element that maintains the properties of that element
atom
chemistry
system
photoelectric effect
32. Which way it spins. (up or down)
volume
alkali metals
Spin Quantum Number
reactant
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.
nuclear force
periodic table
chemical property
Aufaub principle
34. A high-temperature physical state of matter in which atoms lose their electrons
Magnetic Quantum Number
product
atomic mass unit
plasma
35. A unit that is a combination of SI base units
average atomic mass
derived unit
atomic radius
Quantum Theory
36. The state of matter in which the substance has definite volume and definite shape
chemical property
weight
solid
isotopes
37. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
solid
group
scientific method
line-emission spectrum
38. 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 method
scientific notation n where the factor M is a scientific notation
frequency
liquid
39. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
Principle Quantum Number
chemical reaction
photon
model
40. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
Hund's rule
scientific notation n where the factor M is a scientific notation
photoelectric effect
nuclear force
41. The mass of one mole of a pure substance
molar mass
actinide
liquid
quantity
42. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
electronegativity
atomic number
conversion factor
scientific method
43. Lowest energy state of an atom.
accuracy
isotopes
ground state
product
44. 1/2 the distance between the nuclei of identical atoms that are bonded together.
plasma
reactant
electron configuration
atomic radius
45. A property that does not depend on the amount of matter present
SI (Le Système International d'Unités
intensive property
atom
metalloid
46. A characteristic that can be observed or measured without changing the identity of the substance
photon
physical property
photoelectric effect
excited state
47. Minimum quantity of energy that can be lost or gained by an atom.
chemical change
quantum
noble gas configuration
product
48. Describes mathematically the wave properties of electrons and other very small particles.
atom
alkali metals
nuclear force
Quantum Theory
49. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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50. A change in which one or more substances are converted into different substances
isotopes
gas
percent error
chemical change