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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. Number of waves that pass a given point in a specific time - usually one second.
ground state
frequency
weight
gas
2. The smallest unit of an element that maintains the properties of that element
periodic table
atom
period
electron affinity
3. A substance that is made from the atoms of two or more elements that are chemically bonded
photoelectric effect
plasma
Spin Quantum Number
compound
4. An outer main energy level occupied - in most cases - by 8 electrons
electron configuration
significant figure
metal
noble gas configuration
5. A pure substance made of only one kind of atom
element
noble gas
continuous spectrum
transition metals
6. The study of the composition - structure - and properties of matter and the changes it undergoes
excited state
chemistry
molar mass
mass
7. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
alkali metals
Aufaub principle
electromagnetic radiation
valence electrons
8. A reaction in which one or more substances are converted into different substances
ionization energy
metalloid
quantity
chemical reaction
9. A chemical compound contains the same elementsin exactly the same proportions by mass regardless of the size of the sample orthe source of the compound
law of definite proportions
law of conservation of mass
nonmetal
atomic radius
10. The ability of a substance to undergo a change that transforms it into a different substance
chemical property
average atomic mass
line-emission spectrum
electron configuration
11. The energy change that occurs when an electron is acquired by a neutral atom.
scientific method
direct proportion
electron affinity
physical change
12. A property that depends on the amount of matter that is present
extensive property
atomic mass unit
quantum
molar mass
13. A vertical column of the periodic table
mole
volume
group
weight
14. The elements of group 17 of the periodic table.
inverse proportion
homogeneous
percent error
halogens
15. A physical change of a substance from one state to another
photon
change of state
scientific notation n where the factor M is a scientific notation
law of multiple proportions
16. The total number of protons and neutrons in the nucleus of an isotope
chemical change
mass number
law of definite proportions
Principle Quantum Number
17. 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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18. Any process that results in the formation of an ion.
ionization
scientific method
precision
product
19. A measure of the amount of matter
metal
mass
Quantum Theory
inverse proportion
20. The d-block elements are metals with typical metallic properties.
ionization energy
transition metals
actinide
wavelength
21. A unit that is a combination of SI base units
derived unit
quantum
mass
nuclide
22. Something that has magnitude - size - or amount
quantity
Quantum Numbers
periodic table
electron affinity
23. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
lanthanide
homogeneous
period
24. Emission of electrons from a metal when light shines on a metal.
photoelectric effect
weight
inverse proportion
family
25. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
conversion factor
photon
period
line-emission spectrum
26. The amount of space occupied by an object
actinide
volume
periodic law
nuclide
27. A substance that reacts in a chemical change
matter
electromagnetic radiation
reactant
inverse proportion
28. One wave per second.
alkaline-earth metals
actinide
hertz
liquid
29. Distance between corresponding points on adjacent waves.
derived unit
wavelength
anion
electron affinity
30. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
significant figure
main-group elements
mixture
quantum
31. The general term for any isotope of any element
nuclide
metal
percent error
reactant
32. Two quantities that give a constant value when one is divided by the other
direct proportion
ionization energy
photoelectric effect
electronegativity
33. A characteristic that can be observed or measured without changing the identity of the substance
photoelectric effect
physical property
Avogadro's number
mixture
34. The suborbitals of an atom. (S - P - D - F)
period
Angular Momentum Quantum Number
electromagnetic spectrum
theory
35. The 14 elements with the atomic numbers 90-103.
actinide
pure substance
metalloid
Aufaub principle
36. The energy required to remove one electron from a neutral atom of an element.
noble gas
ionization energy
electronegativity
extensive property
37. An element that is a good conductor of heat and electricity
hertz
metal
electronegativity
ground state
38. Minimum quantity of energy that can be lost or gained by an atom.
atom
quantum
ionization
ground state
39. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
extensive property
alkali metals
continuous spectrum
system
40. The p-block elements together with the s-block elements.
Angular Momentum Quantum Number
main-group elements
system
Avogadro's number
41. The measurement system accepted worldwide
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42. The state of matter in which the substance has definite volume and definite shape
compound
reactant
solid
nonmetal
43. The elements of group 1 of the periodic table.
alkali metals
photon
isotopes
Avogadro's number
44. No two electrons in the same atom can have the same set of four quantum numbers
nonmetal
metal
Pauli exclusion principle
hypothesis
45. Anything that has mass and takes up space
Pauli exclusion principle
matter
family
electromagnetic radiation
46. The 14 elements with the atomic numbers 58-71.
excited state
chemical
pure substance
lanthanide
47. Two quantities that have a constant mathematical product
weight
homogeneous
inverse proportion
alkali metals
48. An explanation of how phenomena occur and how data or events are related
periodic table
model
solid
Aufaub principle
49. A vertical column of the periodic table
atom
family
chemical change
electron configuration
50. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
orbital
periodic law
noble gas configuration
Aufaub principle