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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. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
electromagnetic radiation
law of definite proportions
significant figure
Angular Momentum Quantum Number
2. The energy change that occurs when an electron is acquired by a neutral atom.
nuclide
significant figure
electron affinity
family
3. Emission of electrons from a metal when light shines on a metal.
mole
photoelectric effect
Magnetic Quantum Number
weight
4. The total amount of energy level an atom has.
precision
noble gas configuration
Principle Quantum Number
chemistry
5. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
actinide
ion
mixture
6. A change in a substance that does not involve a change in the identity of the substance
physical change
chemical reaction
line-emission spectrum
chemistry
7. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
physical change
density
noble gas
lanthanide
8. 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.
inverse proportion
accuracy
periodic table
group
9. A change in which one or more substances are converted into different substances
Angular Momentum Quantum Number
electromagnetic radiation
alkali metals
chemical change
10. A characteristic that can be observed or measured without changing the identity of the substance
valence electrons
physical property
pure substance
derived unit
11. The study of the composition - structure - and properties of matter and the changes it undergoes
Angular Momentum Quantum Number
direct proportion
chemistry
volume
12. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
law of definite proportions
inverse proportion
system
mixture
13. The energy required to remove one electron from a neutral atom of an element.
mixture
anion
ionization energy
chemical change
14. A negative ion.
Hund's rule
photoelectric effect
law of definite proportions
anion
15. The smallest unit of an element that maintains the properties of that element
atom
scientific method
alkaline-earth metals
theory
16. An explanation of how phenomena occur and how data or events are related
Quantum Theory
chemical reaction
reactant
model
17. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
anion
weight
Heisenberg Uncertainty Principle
Spin Quantum Number
18. No two electrons in the same atom can have the same set of four quantum numbers
model
Avogadro's number
Pauli exclusion principle
ionization
19. Not having a uniform composition throughout
derived unit
heterogeneous
cation
accuracy
20. A vertical column of the periodic table
inverse proportion
family
Heisenberg Uncertainty Principle
mass
21. The elements of group 1 of the periodic table.
atom
solid
alkali metals
compound
22. The state of matter in which the substance has a definite volume but an indefinite shape
nuclear force
quantity
ground state
liquid
23. The ratio of mass to volume or mass divided by volume
halogens
ion
atomic mass unit
density
24. A property that does not depend on the amount of matter present
Quantum Numbers
precision
model
intensive property
25. Mass is neither created nor destroyed duringordinary chemical or physical reactions
cation
accuracy
Quantum Theory
law of conservation of mass
26. A blend of two or more kinds of matter - each of which retains its own identity and properties
wavelength
alkaline-earth metals
mixture
inverse proportion
27. Lowest energy state of an atom.
ground state
Avogadro's number
continuous spectrum
accuracy
28. The measurement system accepted worldwide
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29. Anything that has mass and takes up space
hertz
reactant
valence electrons
matter
30. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
transition metals
accuracy
homogeneous
line-emission spectrum
31. An element that is a good conductor of heat and electricity
weight
Magnetic Quantum Number
metal
ionization
32. The closeness of measurements to the correct or accepted value of the quantity measured
noble gas
alkaline-earth metals
accuracy
wavelength
33. The d-block elements are metals with typical metallic properties.
metalloid
transition metals
electron configuration
extensive property
34. One wave per second.
hertz
electromagnetic spectrum
Magnetic Quantum Number
physical change
35. Having a uniform composition throughout
precision
mass number
homogeneous
hertz
36. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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37. The arrangement of electrons in an atom
electron configuration
nonmetal
volume
nuclear force
38. The smallest unit of an element that maintains the properties of that element
atom
hypothesis
liquid
matter
39. Two quantities that have a constant mathematical product
inverse proportion
continuous spectrum
law of conservation of mass
electron configuration
40. A measure of the amount of matter
gas
Heisenberg Uncertainty Principle
mass
nonmetal
41. The elements of group 2 of the periodic table.
alkaline-earth metals
orbital
SI (Le Système International d'Unités
halogens
42. 1/2 the distance between the nuclei of identical atoms that are bonded together.
photoelectric effect
atomic radius
line-emission spectrum
wavelength
43. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
chemical change
valence electrons
law of definite proportions
nuclear force
44. A property that depends on the amount of matter that is present
weight
extensive property
plasma
electromagnetic radiation
45. A high-temperature physical state of matter in which atoms lose their electrons
cation
Angular Momentum Quantum Number
alkaline-earth metals
plasma
46. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
conversion factor
mole
family
law of conservation of mass
47. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
quantum
family
inverse proportion
Quantum Numbers
48. The 14 elements with the atomic numbers 58-71.
electronegativity
weight
lanthanide
average atomic mass
49. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
system
Spin Quantum Number
atom
conversion factor
50. A substance that is made from the atoms of two or more elements that are chemically bonded
excited state
compound
direct proportion
chemical reaction