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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. 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
Angular Momentum Quantum Number
law of definite proportions
continuous spectrum
law of multiple proportions
2. A characteristic that can be observed or measured without changing the identity of the substance
electromagnetic radiation
valence electrons
physical property
quantum
3. The general term for any isotope of any element
law of definite proportions
nuclide
isotopes
extensive property
4. A property that does not depend on the amount of matter present
intensive property
atom
direct proportion
periodic law
5. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
molar mass
mole
orbital
6. Number of waves that pass a given point in a specific time - usually one second.
frequency
conversion factor
excited state
photoelectric effect
7. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
Aufaub principle
electron configuration
alkaline-earth metals
8. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
significant figure
period
conversion factor
wavelength
9. 1/2 the distance between the nuclei of identical atoms that are bonded together.
SI (Le Système International d'Unités
solid
cation
atomic radius
10. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
quantum
line-emission spectrum
SI (Le Système International d'Unités
noble gas
11. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
Angular Momentum Quantum Number
ionization energy
mole
periodic table
12. The elements of group 17 of the periodic table.
halogens
line-emission spectrum
noble gas
density
13. A positive ion.
cation
extensive property
accuracy
group
14. A horizontal row of elements in the periodic table
photoelectric effect
Aufaub principle
Principle Quantum Number
period
15. Emission of electrons from a metal when light shines on a metal.
line-emission spectrum
Spin Quantum Number
photoelectric effect
periodic table
16. The state of matter in which a substance has neither definite volume nor definite shape
quantity
anion
gas
atomic radius
17. A vertical column of the periodic table
family
plasma
continuous spectrum
halogens
18. A broad generalization that explains a body of facts or phenomena
mass
theory
weight
reactant
19. An atom or group of bonded atoms that has a positive or negative charge.
mole
ion
atom
actinide
20. The number of protons in the nucleus of each atom of an element
Magnetic Quantum Number
precision
direct proportion
atomic number
21. A blend of two or more kinds of matter - each of which retains its own identity and properties
mixture
atom
lanthanide
chemical property
22. A property that depends on the amount of matter that is present
reactant
family
extensive property
pure substance
23. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
percent error
anion
periodic law
noble gas
24. The elements of group 1 of the periodic table.
Pauli exclusion principle
law of conservation of mass
period
alkali metals
25. Something that has magnitude - size - or amount
physical change
quantity
law of conservation of mass
valence electrons
26. The state of matter in which the substance has definite volume and definite shape
solid
periodic law
electron configuration
nuclide
27. Distance between corresponding points on adjacent waves.
wavelength
orbital
valence electrons
mixture
28. 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
compound
mole
halogens
pure substance
29. The measurement system accepted worldwide
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30. An element that has some characteristics of metals and some characteristics of nonmetals
Angular Momentum Quantum Number
metalloid
theory
continuous spectrum
31. 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.
halogens
Spin Quantum Number
periodic table
significant figure
32. A reaction in which one or more substances are converted into different substances
physical property
chemical change
noble gas configuration
chemical reaction
33. The total amount of energy level an atom has.
plasma
Principle Quantum Number
percent error
atom
34. Which way it spins. (up or down)
halogens
Spin Quantum Number
system
Quantum Numbers
35. Atoms of the same element that have different masses
metal
isotopes
heterogeneous
atom
36. The energy required to remove one electron from a neutral atom of an element.
atomic radius
ionization
ionization energy
group
37. An element that is a poor conductor of heat and electricity
inverse proportion
Hund's rule
accuracy
nonmetal
38. A vertical column of the periodic table
atom
group
Heisenberg Uncertainty Principle
continuous spectrum
39. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
Principle Quantum Number
main-group elements
precision
line-emission spectrum
40. Not having a uniform composition throughout
group
heterogeneous
theory
electromagnetic spectrum
41. The emission of a continuous range of frequencies of electromagnetic radiation.
Avogadro's number
continuous spectrum
element
lanthanide
42. The arrangement of electrons in an atom
conversion factor
electron configuration
solid
accuracy
43. An element that is a good conductor of heat and electricity
chemical
intensive property
noble gas
metal
44. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
orbital
element
product
photon
45. A substance that is made from the atoms of two or more elements that are chemically bonded
change of state
compound
period
family
46. A change in which one or more substances are converted into different substances
chemical property
Quantum Theory
chemical change
weight
47. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
ionization
physical property
electromagnetic radiation
matter
48. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
atomic number
electronegativity
family
periodic law
49. A negative ion.
element
heterogeneous
anion
law of multiple proportions
50. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
electromagnetic radiation
scientific notation n where the factor M is a scientific notation
physical property
Principle Quantum Number