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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 arrangement of electrons in an atom
gas
model
electron configuration
valence electrons
2. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
metal
law of definite proportions
quantum
3. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
product
conversion factor
actinide
weight
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
molar mass
Quantum Theory
percent error
isotopes
5. The 14 elements with the atomic numbers 90-103.
Hund's rule
actinide
metalloid
Avogadro's number
6. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
quantity
photon
chemistry
7. 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.
periodic table
ground state
chemistry
percent error
8. 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
noble gas configuration
noble gas
electromagnetic radiation
9. Which suborbital. (Py - Px - Pz)
atomic mass unit
mixture
Magnetic Quantum Number
scientific method
10. A measure of the gravitational pull on matter
physical change
weight
atom
accuracy
11. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers
metalloid
ionization
law of multiple proportions
percent error
12. Atoms of the same element that have different masses
isotopes
average atomic mass
nonmetal
alkaline-earth metals
13. A characteristic that can be observed or measured without changing the identity of the substance
physical property
theory
element
model
14. The amount of space occupied by an object
scientific notation n where the factor M is a scientific notation
volume
physical change
wavelength
15. Combination of all the forms of electromagnetic radiation.
nuclide
electromagnetic spectrum
significant figure
atom
16. The state of matter in which the substance has definite volume and definite shape
nuclide
orbital
percent error
solid
17. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
electromagnetic radiation
atomic number
chemical
periodic table
18. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
solid
atomic mass unit
weight
19. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
noble gas
Avogadro's number
metalloid
quantum
20. Minimum quantity of energy that can be lost or gained by an atom.
quantum
cation
conversion factor
molar mass
21. A measure of the amount of matter
mass
significant figure
alkali metals
noble gas
22. A physical change of a substance from one state to another
valence electrons
change of state
photoelectric effect
weight
23. The elements of group 17 of the periodic table.
solid
SI (Le Système International d'Unités
halogens
alkaline-earth metals
24. Distance between corresponding points on adjacent waves.
Hund's rule
solid
wavelength
cation
25. The general term for any isotope of any element
nuclide
lanthanide
ionization
weight
26. A horizontal row of elements in the periodic table
atomic mass unit
ion
noble gas configuration
period
27. One wave per second.
alkali metals
law of conservation of mass
physical property
hertz
28. A vertical column of the periodic table
transition metals
group
Hund's rule
volume
29. The p-block elements together with the s-block elements.
noble gas
quantum
main-group elements
chemical property
30. Not having a uniform composition throughout
heterogeneous
ionization energy
SI (Le Système International d'Unités
Heisenberg Uncertainty Principle
31. A 3D region around the nucleus that indicates the probable location of an electron.
noble gas
orbital
Spin Quantum Number
precision
32. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
weight
lanthanide
scientific notation n where the factor M is a scientific notation
compound
33. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
intensive property
main-group elements
actinide
line-emission spectrum
34. The energy change that occurs when an electron is acquired by a neutral atom.
alkali metals
metalloid
quantum
electron affinity
35. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
photon
scientific method
chemical change
main-group elements
36. A substance that reacts in a chemical change
solid
reactant
inverse proportion
quantity
37. An element that has some characteristics of metals and some characteristics of nonmetals
nonmetal
homogeneous
valence electrons
metalloid
38. Two quantities that give a constant value when one is divided by the other
direct proportion
SI (Le Système International d'Unités
mass
transition metals
39. A testable statement
Magnetic Quantum Number
hypothesis
period
mole
40. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
physical change
Magnetic Quantum Number
ionization
41. A vertical column of the periodic table
hertz
valence electrons
volume
family
42. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
product
electronegativity
Quantum Numbers
43. A change in which one or more substances are converted into different substances
chemical change
isotopes
derived unit
Aufaub principle
44. The elements of group 1 of the periodic table.
density
excited state
quantum
alkali metals
45. The elements of group 2 of the periodic table.
alkaline-earth metals
ionization energy
halogens
model
46. The smallest unit of an element that maintains the properties of that element
heterogeneous
Spin Quantum Number
atom
Quantum Numbers
47. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
chemical reaction
percent error
halogens
significant figure
48. A substance that is formed by a chemical change
pure substance
product
physical change
reactant
49. A change in a substance that does not involve a change in the identity of the substance
mass
physical change
product
mixture
50. A unit that is a combination of SI base units
derived unit
atom
extensive property
Principle Quantum Number