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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 d-block elements are metals with typical metallic properties.
cation
physical property
transition metals
quantum
2. A substance that is made from the atoms of two or more elements that are chemically bonded
Avogadro's number
mass number
plasma
compound
3. Distance between corresponding points on adjacent waves.
family
wavelength
SI (Le Système International d'Unités
intensive property
4. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
valence electrons
percent error
weight
solid
5. A characteristic that can be observed or measured without changing the identity of the substance
law of multiple proportions
physical property
actinide
product
6. The state of matter in which the substance has definite volume and definite shape
continuous spectrum
solid
Spin Quantum Number
halogens
7. A testable statement
hypothesis
actinide
accuracy
chemical reaction
8. An electron occupies the lowest-energy orbital that can receive it
atomic radius
metal
continuous spectrum
Aufaub principle
9. Something that has magnitude - size - or amount
Pauli exclusion principle
frequency
mole
quantity
10. The p-block elements together with the s-block elements.
alkali metals
law of conservation of mass
main-group elements
ionization energy
11. A broad generalization that explains a body of facts or phenomena
line-emission spectrum
weight
theory
ionization
12. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
excited state
SI (Le Système International d'Unités
quantity
13. A reaction in which one or more substances are converted into different substances
chemical reaction
solid
law of multiple proportions
metalloid
14. Number of waves that pass a given point in a specific time - usually one second.
element
frequency
heterogeneous
transition metals
15. A physical change of a substance from one state to another
Spin Quantum Number
electromagnetic radiation
change of state
lanthanide
16. A high-temperature physical state of matter in which atoms lose their electrons
lanthanide
plasma
frequency
extensive property
17. A horizontal row of elements in the periodic table
electromagnetic radiation
system
period
excited state
18. State in which an atom has a higher potential energy than it has in it's ground state.
weight
excited state
ionization energy
periodic table
19. The total amount of energy level an atom has.
Principle Quantum Number
periodic law
average atomic mass
scientific notation n where the factor M is a scientific notation
20. A property that depends on the amount of matter that is present
volume
solid
Spin Quantum Number
extensive property
21. An element that is a poor conductor of heat and electricity
atom
liquid
Pauli exclusion principle
nonmetal
22. The closeness of measurements to the correct or accepted value of the quantity measured
compound
accuracy
Angular Momentum Quantum Number
hertz
23. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
system
law of definite proportions
lanthanide
physical change
24. The elements of group 17 of the periodic table.
weight
nonmetal
intensive property
halogens
25. A pure substance made of only one kind of atom
mass number
change of state
liquid
element
26. The study of the composition - structure - and properties of matter and the changes it undergoes
mole
scientific method
metalloid
chemistry
27. A vertical column of the periodic table
solid
scientific method
change of state
group
28. An outer main energy level occupied - in most cases - by 8 electrons
Angular Momentum Quantum Number
Aufaub principle
noble gas configuration
nonmetal
29. A vertical column of the periodic table
ionization
family
conversion factor
scientific method
30. A measure of the amount of matter
mole
gas
mass
noble gas
31. 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
metal
nonmetal
gas
law of definite proportions
32. A change in a substance that does not involve a change in the identity of the substance
physical change
law of definite proportions
nuclide
atom
33. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
chemical change
average atomic mass
photoelectric effect
valence electrons
34. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
35. The ratio of mass to volume or mass divided by volume
electron configuration
atomic number
density
chemical property
36. The mass of one mole of a pure substance
electron configuration
halogens
mole
molar mass
37. The total number of protons and neutrons in the nucleus of an isotope
mass number
Quantum Theory
transition metals
period
38. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
nuclear force
atomic mass unit
electronegativity
main-group elements
39. Any process that results in the formation of an ion.
ionization
nonmetal
chemical reaction
chemistry
40. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
direct proportion
scientific notation n where the factor M is a scientific notation
molar mass
atomic mass unit
41. Lowest energy state of an atom.
change of state
chemical property
ground state
extensive property
42. 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
nuclide
chemical
pure substance
electronegativity
43. The emission of a continuous range of frequencies of electromagnetic radiation.
metalloid
continuous spectrum
anion
noble gas
44. Any substance that has a definite composition
chemical
volume
atomic number
chemical property
45. The 14 elements with the atomic numbers 90-103.
Avogadro's number
Quantum Theory
actinide
atomic mass unit
46. Two quantities that give a constant value when one is divided by the other
periodic table
direct proportion
hertz
transition metals
47. The closeness of a set of measurements of the same quantity made in the same way
weight
transition metals
precision
Heisenberg Uncertainty Principle
48. The energy change that occurs when an electron is acquired by a neutral atom.
product
period
electron affinity
conversion factor
49. The smallest unit of an element that maintains the properties of that element
chemical change
photon
atom
valence electrons
50. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
noble gas
hertz
conversion factor
valence electrons