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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. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
hypothesis
electromagnetic radiation
Magnetic Quantum Number
physical change
2. 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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3. No two electrons in the same atom can have the same set of four quantum numbers
nonmetal
metalloid
Pauli exclusion principle
average atomic mass
4. The mass of one mole of a pure substance
molar mass
chemical reaction
Quantum Numbers
chemical
5. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
noble gas
quantity
heterogeneous
periodic law
6. A change in a substance that does not involve a change in the identity of the substance
Magnetic Quantum Number
physical change
transition metals
anion
7. The ability of a substance to undergo a change that transforms it into a different substance
actinide
derived unit
chemical property
electromagnetic radiation
8. An element that has some characteristics of metals and some characteristics of nonmetals
main-group elements
significant figure
metalloid
quantum
9. Two quantities that give a constant value when one is divided by the other
halogens
direct proportion
chemical
excited state
10. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Heisenberg Uncertainty Principle
hertz
transition metals
Principle Quantum Number
11. 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
pure substance
cation
volume
mixture
12. A vertical column of the periodic table
family
mass number
period
atom
13. The measurement system accepted worldwide
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14. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
average atomic mass
valence electrons
atom
photon
15. An outer main energy level occupied - in most cases - by 8 electrons
anion
Heisenberg Uncertainty Principle
noble gas configuration
nuclear force
16. The smallest unit of an element that maintains the properties of that element
extensive property
Angular Momentum Quantum Number
atom
alkaline-earth metals
17. The elements of group 1 of the periodic table.
chemical property
lanthanide
transition metals
alkali metals
18. A property that does not depend on the amount of matter present
intensive property
valence electrons
system
model
19. A substance that reacts in a chemical change
isotopes
periodic law
orbital
reactant
20. The general term for any isotope of any element
derived unit
ionization
chemical
nuclide
21. A change in which one or more substances are converted into different substances
weight
Principle Quantum Number
Aufaub principle
chemical change
22. A positive ion.
cation
physical change
Quantum Numbers
chemical reaction
23. Lowest energy state of an atom.
metal
ground state
ion
chemical change
24. An atom or group of bonded atoms that has a positive or negative charge.
ground state
chemical change
chemical reaction
ion
25. Two quantities that have a constant mathematical product
product
noble gas configuration
derived unit
inverse proportion
26. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
photon
actinide
average atomic mass
27. Anything that has mass and takes up space
chemistry
matter
chemical change
law of multiple proportions
28. Any substance that has a definite composition
alkali metals
change of state
law of conservation of mass
chemical
29. A 3D region around the nucleus that indicates the probable location of an electron.
percent error
homogeneous
orbital
frequency
30. Minimum quantity of energy that can be lost or gained by an atom.
quantum
Quantum Theory
gas
Aufaub principle
31. Mass is neither created nor destroyed duringordinary chemical or physical reactions
Avogadro's number
law of conservation of mass
orbital
ion
32. The number of protons in the nucleus of each atom of an element
atomic number
photoelectric effect
photon
physical change
33. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electronegativity
wavelength
molar mass
element
34. The study of the composition - structure - and properties of matter and the changes it undergoes
inverse proportion
chemistry
atom
electromagnetic radiation
35. Something that has magnitude - size - or amount
mass
quantity
system
valence electrons
36. The ratio of mass to volume or mass divided by volume
ion
theory
density
Principle Quantum Number
37. Having a uniform composition throughout
homogeneous
direct proportion
system
SI (Le Système International d'Unités
38. A characteristic that can be observed or measured without changing the identity of the substance
chemical reaction
physical property
chemistry
compound
39. A property that depends on the amount of matter that is present
compound
quantity
extensive property
density
40. An electron occupies the lowest-energy orbital that can receive it
line-emission spectrum
volume
Aufaub principle
atomic radius
41. The suborbitals of an atom. (S - P - D - F)
theory
hertz
homogeneous
Angular Momentum Quantum Number
42. The p-block elements together with the s-block elements.
main-group elements
precision
intensive property
atomic radius
43. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
chemical
derived unit
Aufaub principle
44. The state of matter in which a substance has neither definite volume nor definite shape
gas
Quantum Theory
halogens
product
45. The amount of space occupied by an object
pure substance
chemical change
electron affinity
volume
46. The d-block elements are metals with typical metallic properties.
transition metals
significant figure
quantity
model
47. The smallest unit of an element that maintains the properties of that element
mixture
chemical change
atom
orbital
48. The total amount of energy level an atom has.
family
law of definite proportions
Principle Quantum Number
mass
49. A substance that is formed by a chemical change
liquid
molar mass
scientific method
product
50. The 14 elements with the atomic numbers 58-71.
alkaline-earth metals
Quantum Numbers
lanthanide
mass