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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. Distance between corresponding points on adjacent waves.
wavelength
system
Aufaub principle
volume
2. A vertical column of the periodic table
chemical change
average atomic mass
valence electrons
family
3. A substance that is made from the atoms of two or more elements that are chemically bonded
ionization
alkaline-earth metals
compound
chemistry
4. The d-block elements are metals with typical metallic properties.
hertz
gas
transition metals
compound
5. 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
noble gas
chemical property
Principle Quantum Number
law of multiple proportions
6. A measure of the gravitational pull on matter
weight
mass number
electron configuration
nonmetal
7. The energy required to remove one electron from a neutral atom of an element.
Magnetic Quantum Number
electron affinity
Quantum Theory
ionization energy
8. The p-block elements together with the s-block elements.
period
product
Angular Momentum Quantum Number
main-group elements
9. A pure substance made of only one kind of atom
derived unit
element
reactant
quantity
10. A substance that is formed by a chemical change
product
family
group
compound
11. Mass is neither created nor destroyed duringordinary chemical or physical reactions
frequency
weight
homogeneous
law of conservation of mass
12. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
Quantum Theory
atomic number
alkali metals
valence electrons
13. The suborbitals of an atom. (S - P - D - F)
liquid
chemistry
reactant
Angular Momentum Quantum Number
14. An element that is a good conductor of heat and electricity
metal
atom
accuracy
chemical
15. The arrangement of electrons in an atom
continuous spectrum
mole
electron configuration
Quantum Theory
16. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
valence electrons
ionization energy
average atomic mass
atomic radius
17. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
metal
conversion factor
continuous spectrum
mole
18. The ability of a substance to undergo a change that transforms it into a different substance
Hund's rule
chemical property
mole
scientific notation n where the factor M is a scientific notation
19. The elements of group 17 of the periodic table.
halogens
plasma
product
compound
20. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
system
percent error
Pauli exclusion principle
lanthanide
21. A broad generalization that explains a body of facts or phenomena
isotopes
main-group elements
theory
quantum
22. The smallest unit of an element that maintains the properties of that element
atom
direct proportion
ground state
reactant
23. A horizontal row of elements in the periodic table
direct proportion
intensive property
accuracy
period
24. The 14 elements with the atomic numbers 58-71.
nonmetal
lanthanide
ground state
metal
25. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
photoelectric effect
Magnetic Quantum Number
alkali metals
scientific method
26. The measurement system accepted worldwide
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27. The elements of group 1 of the periodic table.
mass
ground state
noble gas
alkali metals
28. Something that has magnitude - size - or amount
intensive property
valence electrons
atomic mass unit
quantity
29. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
gas
alkali metals
nuclear force
30. Which way it spins. (up or down)
average atomic mass
scientific notation n where the factor M is a scientific notation
Spin Quantum Number
nuclear force
31. A property that depends on the amount of matter that is present
extensive property
nuclear force
chemistry
physical change
32. A characteristic that can be observed or measured without changing the identity of the substance
electromagnetic radiation
group
reactant
physical property
33. The mass of one mole of a pure substance
molar mass
heterogeneous
intensive property
nonmetal
34. A 3D region around the nucleus that indicates the probable location of an electron.
orbital
reactant
atomic radius
Quantum Numbers
35. A substance that reacts in a chemical change
derived unit
nuclide
reactant
lanthanide
36. The total amount of energy level an atom has.
ion
conversion factor
Principle Quantum Number
line-emission spectrum
37. The closeness of measurements to the correct or accepted value of the quantity measured
continuous spectrum
accuracy
conversion factor
metal
38. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
solid
valence electrons
nonmetal
periodic law
39. A property that does not depend on the amount of matter present
line-emission spectrum
Hund's rule
intensive property
reactant
40. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electronegativity
electromagnetic spectrum
nuclear force
conversion factor
41. An outer main energy level occupied - in most cases - by 8 electrons
chemical reaction
noble gas configuration
derived unit
reactant
42. Two quantities that give a constant value when one is divided by the other
reactant
photon
ionization energy
direct proportion
43. A positive ion.
scientific method
compound
mass number
cation
44. 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
percent error
heterogeneous
pure substance
hypothesis
45. A change in which one or more substances are converted into different substances
law of definite proportions
nonmetal
Spin Quantum Number
chemical change
46. Not having a uniform composition throughout
heterogeneous
percent error
atom
scientific method
47. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
atom
density
periodic law
nuclear force
48. An element that is a poor conductor of heat and electricity
nonmetal
ion
quantity
electronegativity
49. Number of waves that pass a given point in a specific time - usually one second.
reactant
nuclear force
frequency
Quantum Numbers
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
scientific notation n where the factor M is a scientific notation
isotopes
system
Pauli exclusion principle