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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 mass of one mole of a pure substance
molar mass
reactant
metalloid
Quantum Theory
2. The energy required to remove one electron from a neutral atom of an element.
main-group elements
ionization energy
Quantum Theory
Avogadro's number
3. The 14 elements with the atomic numbers 90-103.
actinide
Spin Quantum Number
conversion factor
period
4. Having a uniform composition throughout
scientific notation n where the factor M is a scientific notation
chemistry
alkali metals
homogeneous
5. The d-block elements are metals with typical metallic properties.
cation
quantum
conversion factor
transition metals
6. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
continuous spectrum
hypothesis
Avogadro's number
significant figure
7. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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8. The 14 elements with the atomic numbers 58-71.
Avogadro's number
lanthanide
heterogeneous
atom
9. The general term for any isotope of any element
density
nuclide
family
periodic law
10. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
law of multiple proportions
hypothesis
electronegativity
homogeneous
11. Distance between corresponding points on adjacent waves.
wavelength
chemical change
valence electrons
metalloid
12. An electron occupies the lowest-energy orbital that can receive it
periodic law
lanthanide
Aufaub principle
model
13. The closeness of a set of measurements of the same quantity made in the same way
metalloid
chemical
hypothesis
precision
14. 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
photoelectric effect
law of multiple proportions
excited state
ion
15. The state of matter in which a substance has neither definite volume nor definite shape
gas
weight
Magnetic Quantum Number
Quantum Numbers
16. One wave per second.
ground state
valence electrons
photon
hertz
17. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
plasma
physical property
Quantum Numbers
SI (Le Système International d'Unités
18. The state of matter in which the substance has definite volume and definite shape
solid
line-emission spectrum
period
continuous spectrum
19. Two quantities that give a constant value when one is divided by the other
atomic radius
extensive property
direct proportion
electronegativity
20. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
photon
Aufaub principle
ground state
nuclear force
21. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
ground state
pure substance
nonmetal
Heisenberg Uncertainty Principle
22. A testable statement
halogens
metal
hypothesis
law of conservation of mass
23. An element that is a poor conductor of heat and electricity
atom
physical change
atomic radius
nonmetal
24. A change in which one or more substances are converted into different substances
Spin Quantum Number
nonmetal
homogeneous
chemical change
25. An element that has some characteristics of metals and some characteristics of nonmetals
liquid
metalloid
law of definite proportions
inverse proportion
26. A negative ion.
reactant
direct proportion
anion
percent error
27. A measure of the amount of matter
chemical property
molar mass
noble gas configuration
mass
28. An element that is a good conductor of heat and electricity
Magnetic Quantum Number
metal
chemical change
Pauli exclusion principle
29. A property that depends on the amount of matter that is present
element
liquid
extensive property
photoelectric effect
30. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
alkaline-earth metals
weight
mole
Spin Quantum Number
31. An atom or group of bonded atoms that has a positive or negative charge.
direct proportion
weight
ion
model
32. Which way it spins. (up or down)
Spin Quantum Number
noble gas
significant figure
electron affinity
33. A high-temperature physical state of matter in which atoms lose their electrons
significant figure
product
plasma
mass
34. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
Principle Quantum Number
periodic law
metalloid
alkaline-earth metals
35. The total number of protons and neutrons in the nucleus of an isotope
mass
average atomic mass
mass number
hertz
36. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
homogeneous
Spin Quantum Number
derived unit
37. The ability of a substance to undergo a change that transforms it into a different substance
isotopes
chemical property
extensive property
homogeneous
38. The suborbitals of an atom. (S - P - D - F)
frequency
electronegativity
Angular Momentum Quantum Number
ionization
39. Lowest energy state of an atom.
anion
quantum
continuous spectrum
ground state
40. A vertical column of the periodic table
homogeneous
group
nonmetal
excited state
41. A blend of two or more kinds of matter - each of which retains its own identity and properties
period
atomic number
mixture
anion
42. The arrangement of electrons in an atom
reactant
electron configuration
chemical change
atom
43. Atoms of the same element that have different masses
main-group elements
gas
nuclear force
isotopes
44. Something that has magnitude - size - or amount
model
quantity
family
transition metals
45. A positive ion.
cation
chemical
mass number
lanthanide
46. The state of matter in which the substance has a definite volume but an indefinite shape
SI (Le Système International d'Unités
electronegativity
orbital
liquid
47. The amount of space occupied by an object
quantity
law of multiple proportions
volume
precision
48. A measure of the gravitational pull on matter
average atomic mass
Magnetic Quantum Number
weight
chemical property
49. The elements of group 17 of the periodic table.
wavelength
halogens
chemical change
electronegativity
50. The closeness of measurements to the correct or accepted value of the quantity measured
ion
noble gas
significant figure
accuracy