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Test your basic knowledge |
Pre - AP Chemistry
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Subjects
:
pre-ap
,
science
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
line-emission spectrum
lanthanide
group
metal
2. An element that is a good conductor of heat and electricity
periodic table
metal
chemical
electron configuration
3. The arrangement of electrons in an atom
molar mass
electron configuration
atom
wavelength
4. A measure of the gravitational pull on matter
weight
ionization
Aufaub principle
photoelectric effect
5. Lowest energy state of an atom.
reactant
ground state
electromagnetic spectrum
direct proportion
6. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
atom
Quantum Numbers
matter
intensive property
7. A characteristic that can be observed or measured without changing the identity of the substance
frequency
physical property
plasma
electronegativity
8. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
chemical
valence electrons
Principle Quantum Number
system
9. The general term for any isotope of any element
nuclide
atom
chemical property
Magnetic Quantum Number
10. Describes mathematically the wave properties of electrons and other very small particles.
Pauli exclusion principle
Principle Quantum Number
Quantum Theory
compound
11. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
scientific method
conversion factor
percent error
continuous spectrum
12. The p-block elements together with the s-block elements.
main-group elements
electron configuration
hertz
chemical change
13. The closeness of a set of measurements of the same quantity made in the same way
mass number
volume
Angular Momentum Quantum Number
precision
14. The study of the composition - structure - and properties of matter and the changes it undergoes
line-emission spectrum
anion
excited state
chemistry
15. A substance that is formed by a chemical change
continuous spectrum
nonmetal
chemical change
product
16. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
metalloid
electromagnetic radiation
lanthanide
Aufaub principle
17. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
density
Heisenberg Uncertainty Principle
physical property
conversion factor
18. Number of waves that pass a given point in a specific time - usually one second.
percent error
lanthanide
frequency
period
19. A change in a substance that does not involve a change in the identity of the substance
Principle Quantum Number
physical change
percent error
Hund's rule
20. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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21. The number of protons in the nucleus of each atom of an element
atomic number
alkali metals
solid
hypothesis
22. A positive ion.
orbital
cation
ion
gas
23. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
ionization energy
mixture
Pauli exclusion principle
scientific notation n where the factor M is a scientific notation
24. Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron - and all electrons in singly occupied orbitals must have the same spin state.
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25. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
change of state
chemistry
average atomic mass
26. Emission of electrons from a metal when light shines on a metal.
orbital
photoelectric effect
electromagnetic spectrum
significant figure
27. Minimum quantity of energy that can be lost or gained by an atom.
quantum
accuracy
frequency
reactant
28. A unit that is a combination of SI base units
theory
SI (Le Système International d'Unités
gas
derived unit
29. Two quantities that have a constant mathematical product
Aufaub principle
inverse proportion
atom
extensive property
30. Atoms of the same element that have different masses
volume
law of definite proportions
isotopes
electronegativity
31. The mass of one mole of a pure substance
atom
molar mass
chemical
precision
32. The elements of group 1 of the periodic table.
percent error
alkali metals
Spin Quantum Number
hertz
33. One wave per second.
lanthanide
model
line-emission spectrum
hertz
34. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
periodic law
electron configuration
physical property
isotopes
35. A measure of the amount of matter
mass
liquid
Pauli exclusion principle
periodic table
36. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
nuclear force
line-emission spectrum
frequency
metalloid
37. The amount of space occupied by an object
weight
volume
ionization energy
hertz
38. Something that has magnitude - size - or amount
periodic table
Magnetic Quantum Number
quantity
chemical property
39. State in which an atom has a higher potential energy than it has in it's ground state.
conversion factor
excited state
chemical property
atom
40. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
accuracy
significant figure
mole
mass number
41. The closeness of measurements to the correct or accepted value of the quantity measured
atom
Pauli exclusion principle
accuracy
frequency
42. The total number of protons and neutrons in the nucleus of an isotope
heterogeneous
hertz
mass number
main-group elements
43. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
electromagnetic spectrum
atom
compound
scientific method
44. A property that depends on the amount of matter that is present
extensive property
chemistry
photoelectric effect
periodic table
45. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
ionization
inverse proportion
physical property
noble gas
46. The 14 elements with the atomic numbers 58-71.
nonmetal
scientific notation n where the factor M is a scientific notation
lanthanide
plasma
47. 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.
electromagnetic radiation
solid
wavelength
periodic table
48. Which suborbital. (Py - Px - Pz)
atomic mass unit
orbital
Magnetic Quantum Number
solid
49. The energy change that occurs when an electron is acquired by a neutral atom.
ground state
main-group elements
electron affinity
Avogadro's number
50. The total amount of energy level an atom has.
Principle Quantum Number
scientific method
precision
derived unit
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