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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. Not having a uniform composition throughout
heterogeneous
significant figure
atom
family
2. The smallest unit of an element that maintains the properties of that element
chemistry
scientific notation n where the factor M is a scientific notation
atom
conversion factor
3. Lowest energy state of an atom.
percent error
electronegativity
ground state
chemical change
4. Having a uniform composition throughout
alkali metals
density
homogeneous
scientific notation n where the factor M is a scientific notation
5. The measurement system accepted worldwide
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6. Any substance that has a definite composition
chemical
Quantum Numbers
mole
inverse proportion
7. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
metalloid
valence electrons
Heisenberg Uncertainty Principle
heterogeneous
8. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
Pauli exclusion principle
SI (Le Système International d'Unités
noble gas
liquid
9. The arrangement of electrons in an atom
electron configuration
atomic radius
hypothesis
volume
10. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
model
quantity
valence electrons
alkali metals
11. A reaction in which one or more substances are converted into different substances
quantity
chemical reaction
Quantum Numbers
chemical
12. 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
plasma
line-emission spectrum
matter
pure substance
13. A property that does not depend on the amount of matter present
accuracy
quantity
periodic table
intensive property
14. Something that has magnitude - size - or amount
liquid
isotopes
chemical reaction
quantity
15. The elements of group 1 of the periodic table.
derived unit
actinide
extensive property
alkali metals
16. The 14 elements with the atomic numbers 90-103.
actinide
Pauli exclusion principle
Magnetic Quantum Number
alkali metals
17. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
mixture
heterogeneous
derived unit
average atomic mass
18. The elements of group 2 of the periodic table.
alkaline-earth metals
inverse proportion
atomic mass unit
intensive property
19. One wave per second.
Avogadro's number
mixture
law of definite proportions
hertz
20. The energy required to remove one electron from a neutral atom of an element.
model
atom
Avogadro's number
ionization energy
21. The total number of protons and neutrons in the nucleus of an isotope
extensive property
system
reactant
mass number
22. The 14 elements with the atomic numbers 58-71.
cation
mass number
lanthanide
Angular Momentum Quantum Number
23. A change in a substance that does not involve a change in the identity of the substance
physical property
metal
physical change
average atomic mass
24. Number of waves that pass a given point in a specific time - usually one second.
SI (Le Système International d'Unités
frequency
electromagnetic spectrum
model
25. An electron occupies the lowest-energy orbital that can receive it
law of multiple proportions
Avogadro's number
law of conservation of mass
Aufaub principle
26. Emission of electrons from a metal when light shines on a metal.
photoelectric effect
anion
Pauli exclusion principle
chemistry
27. The elements of group 17 of the periodic table.
period
Hund's rule
scientific notation n where the factor M is a scientific notation
halogens
28. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
law of conservation of mass
percent error
chemical
liquid
29. The total amount of energy level an atom has.
Principle Quantum Number
mass
model
mole
30. A substance that is formed by a chemical change
element
electromagnetic radiation
liquid
product
31. Two quantities that give a constant value when one is divided by the other
direct proportion
intensive property
mass number
alkaline-earth metals
32. A measure of the amount of matter
ionization
accuracy
mass
periodic law
33. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
physical change
electromagnetic radiation
atom
nuclide
34. Distance between corresponding points on adjacent waves.
lanthanide
Magnetic Quantum Number
Pauli exclusion principle
wavelength
35. The mass of one mole of a pure substance
molar mass
nonmetal
alkaline-earth metals
heterogeneous
36. The ability of a substance to undergo a change that transforms it into a different substance
lanthanide
metalloid
electronegativity
chemical property
37. A vertical column of the periodic table
period
family
chemical property
line-emission spectrum
38. Which suborbital. (Py - Px - Pz)
nonmetal
hertz
Magnetic Quantum Number
mass number
39. A pure substance made of only one kind of atom
element
hypothesis
chemical change
chemistry
40. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
reactant
conversion factor
chemical
scientific notation n where the factor M is a scientific notation
41. The general term for any isotope of any element
Avogadro's number
chemistry
line-emission spectrum
nuclide
42. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
electromagnetic radiation
atom
significant figure
Avogadro's number
43. Any process that results in the formation of an ion.
accuracy
alkali metals
ionization
metal
44. A high-temperature physical state of matter in which atoms lose their electrons
Spin Quantum Number
atom
ionization
plasma
45. Which way it spins. (up or down)
gas
main-group elements
conversion factor
Spin Quantum Number
46. The suborbitals of an atom. (S - P - D - F)
actinide
Angular Momentum Quantum Number
Principle Quantum Number
law of multiple proportions
47. The state of matter in which the substance has definite volume and definite shape
change of state
periodic law
law of multiple proportions
solid
48. Combination of all the forms of electromagnetic radiation.
precision
significant figure
electromagnetic spectrum
homogeneous
49. 1/2 the distance between the nuclei of identical atoms that are bonded together.
model
molar mass
atomic radius
chemical property
50. A measure of the gravitational pull on matter
weight
metalloid
quantum
Principle Quantum Number