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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. The elements of group 17 of the periodic table.
molar mass
nuclear force
Pauli exclusion principle
halogens
2. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
percent error
gas
wavelength
Principle Quantum Number
3. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
SI (Le Système International d'Unités
hertz
conversion factor
line-emission spectrum
4. A change in which one or more substances are converted into different substances
change of state
molar mass
weight
chemical change
5. Any substance that has a definite composition
chemical change
chemical
Avogadro's number
percent error
6. The energy required to remove one electron from a neutral atom of an element.
ionization energy
anion
periodic table
Spin Quantum Number
7. An explanation of how phenomena occur and how data or events are related
model
anion
reactant
metal
8. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
intensive property
percent error
electromagnetic spectrum
9. Number of waves that pass a given point in a specific time - usually one second.
plasma
average atomic mass
frequency
orbital
10. A physical change of a substance from one state to another
ionization energy
mass number
quantum
change of state
11. The state of matter in which the substance has definite volume and definite shape
Hund's rule
periodic law
alkaline-earth metals
solid
12. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
periodic table
periodic law
mass number
homogeneous
13. The smallest unit of an element that maintains the properties of that element
family
atom
electron affinity
cation
14. The ability of a substance to undergo a change that transforms it into a different substance
photon
nonmetal
chemical property
mole
15. A positive ion.
transition metals
Quantum Numbers
cation
system
16. The ratio of mass to volume or mass divided by volume
Angular Momentum Quantum Number
ionization energy
alkaline-earth metals
density
17. The measurement system accepted worldwide
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18. Atoms of the same element that have different masses
isotopes
mass number
Principle Quantum Number
noble gas
19. A vertical column of the periodic table
Heisenberg Uncertainty Principle
frequency
group
system
20. Lowest energy state of an atom.
chemical
line-emission spectrum
electron configuration
ground state
21. Not having a uniform composition throughout
heterogeneous
Heisenberg Uncertainty Principle
periodic table
transition metals
22. An atom or group of bonded atoms that has a positive or negative charge.
physical change
continuous spectrum
chemistry
ion
23. An element that is a good conductor of heat and electricity
metal
period
mixture
chemical property
24. The state of matter in which a substance has neither definite volume nor definite shape
gas
scientific method
nuclear force
period
25. A property that depends on the amount of matter that is present
actinide
percent error
halogens
extensive property
26. 1/2 the distance between the nuclei of identical atoms that are bonded together.
extensive property
molar mass
atomic radius
chemical property
27. The p-block elements together with the s-block elements.
line-emission spectrum
main-group elements
metalloid
electron affinity
28. The energy change that occurs when an electron is acquired by a neutral atom.
change of state
Quantum Theory
chemistry
electron affinity
29. The total number of protons and neutrons in the nucleus of an isotope
mass number
quantity
scientific method
SI (Le Système International d'Unités
30. The elements of group 2 of the periodic table.
noble gas configuration
alkaline-earth metals
significant figure
noble gas
31. Something that has magnitude - size - or amount
quantity
atomic mass unit
matter
significant figure
32. A substance that is formed by a chemical change
reactant
product
plasma
electromagnetic radiation
33. The total amount of energy level an atom has.
Principle Quantum Number
actinide
wavelength
model
34. A substance that reacts in a chemical change
cation
isotopes
physical property
reactant
35. A reaction in which one or more substances are converted into different substances
chemical reaction
atomic mass unit
solid
gas
36. Any process that results in the formation of an ion.
Quantum Numbers
system
ionization
molar mass
37. A testable statement
main-group elements
hypothesis
electron affinity
electromagnetic spectrum
38. The general term for any isotope of any element
mole
compound
physical property
nuclide
39. The 14 elements with the atomic numbers 90-103.
heterogeneous
Quantum Numbers
actinide
anion
40. A property that does not depend on the amount of matter present
nuclide
photoelectric effect
intensive property
gas
41. Having a uniform composition throughout
inverse proportion
heterogeneous
valence electrons
homogeneous
42. The study of the composition - structure - and properties of matter and the changes it undergoes
product
Quantum Numbers
chemistry
anion
43. A pure substance made of only one kind of atom
reactant
lanthanide
chemical
element
44. 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.
extensive property
chemical
element
periodic table
45. A measure of the amount of matter
reactant
weight
mass
compound
46. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
significant figure
period
Heisenberg Uncertainty Principle
periodic law
47. The number of protons in the nucleus of each atom of an element
atomic number
atomic radius
nuclear force
transition metals
48. Two quantities that have a constant mathematical product
inverse proportion
law of definite proportions
electromagnetic spectrum
law of multiple proportions
49. Mass is neither created nor destroyed duringordinary chemical or physical reactions
Hund's rule
Magnetic Quantum Number
wavelength
law of conservation of mass
50. The d-block elements are metals with typical metallic properties.
transition metals
metalloid
line-emission spectrum
compound