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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 measurement system accepted worldwide
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2. The closeness of a set of measurements of the same quantity made in the same way
electromagnetic radiation
isotopes
chemistry
precision
3. A substance that reacts in a chemical change
law of definite proportions
liquid
reactant
system
4. A substance that is formed by a chemical change
heterogeneous
product
Hund's rule
hypothesis
5. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
intensive property
average atomic mass
excited state
change of state
6. Combination of all the forms of electromagnetic radiation.
Avogadro's number
scientific notation n where the factor M is a scientific notation
electromagnetic spectrum
atomic number
7. The d-block elements are metals with typical metallic properties.
chemical
excited state
transition metals
chemical change
8. 1/2 the distance between the nuclei of identical atoms that are bonded together.
electromagnetic radiation
atomic radius
orbital
theory
9. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
percent error
molar mass
SI (Le Système International d'Unités
nonmetal
10. Distance between corresponding points on adjacent waves.
heterogeneous
chemical reaction
wavelength
homogeneous
11. An element that has some characteristics of metals and some characteristics of nonmetals
plasma
metalloid
law of conservation of mass
Magnetic Quantum Number
12. The total number of protons and neutrons in the nucleus of an isotope
Magnetic Quantum Number
photoelectric effect
density
mass number
13. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
intensive property
accuracy
Principle Quantum Number
noble gas
14. A unit that is a combination of SI base units
matter
ionization
derived unit
period
15. The closeness of measurements to the correct or accepted value of the quantity measured
lanthanide
accuracy
matter
Spin Quantum Number
16. The 14 elements with the atomic numbers 90-103.
scientific method
Pauli exclusion principle
volume
actinide
17. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
significant figure
electronegativity
noble gas
heterogeneous
18. The state of matter in which the substance has a definite volume but an indefinite shape
Principle Quantum Number
atom
Quantum Numbers
liquid
19. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
periodic table
noble gas configuration
line-emission spectrum
lanthanide
20. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
scientific method
mixture
Hund's rule
wavelength
21. A measure of the amount of matter
Aufaub principle
percent error
metalloid
mass
22. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
mole
electronegativity
ion
atomic radius
23. A high-temperature physical state of matter in which atoms lose their electrons
percent error
matter
plasma
law of multiple proportions
24. The suborbitals of an atom. (S - P - D - F)
hertz
intensive property
Angular Momentum Quantum Number
change of state
25. The energy required to remove one electron from a neutral atom of an element.
Magnetic Quantum Number
pure substance
ion
ionization energy
26. An element that is a good conductor of heat and electricity
metal
electron configuration
periodic table
electromagnetic radiation
27. Lowest energy state of an atom.
system
conversion factor
alkaline-earth metals
ground state
28. The state of matter in which the substance has definite volume and definite shape
line-emission spectrum
orbital
solid
halogens
29. Not having a uniform composition throughout
photoelectric effect
change of state
accuracy
heterogeneous
30. One wave per second.
hertz
continuous spectrum
atom
physical change
31. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
noble gas
continuous spectrum
nuclear force
Avogadro's number
32. The smallest unit of an element that maintains the properties of that element
nonmetal
atom
average atomic mass
theory
33. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
line-emission spectrum
lanthanide
mole
frequency
34. A characteristic that can be observed or measured without changing the identity of the substance
physical property
photon
weight
scientific method
35. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
cation
scientific notation n where the factor M is a scientific notation
law of definite proportions
nonmetal
36. Number of waves that pass a given point in a specific time - usually one second.
ion
law of conservation of mass
nonmetal
frequency
37. Which way it spins. (up or down)
direct proportion
atomic mass unit
Spin Quantum Number
scientific method
38. Emission of electrons from a metal when light shines on a metal.
Spin Quantum Number
density
mixture
photoelectric effect
39. The state of matter in which a substance has neither definite volume nor definite shape
liquid
Pauli exclusion principle
solid
gas
40. Anything that has mass and takes up space
matter
accuracy
hertz
continuous spectrum
41. The elements of group 1 of the periodic table.
valence electrons
family
alkali metals
matter
42. State in which an atom has a higher potential energy than it has in it's ground state.
accuracy
change of state
electron affinity
excited state
43. The smallest unit of an element that maintains the properties of that element
excited state
hertz
continuous spectrum
atom
44. A testable statement
hypothesis
frequency
chemical change
physical property
45. Any process that results in the formation of an ion.
compound
chemistry
ionization
molar mass
46. A vertical column of the periodic table
frequency
family
model
chemical change
47. The 14 elements with the atomic numbers 58-71.
pure substance
Principle Quantum Number
lanthanide
Heisenberg Uncertainty Principle
48. The elements of group 2 of the periodic table.
precision
theory
mole
alkaline-earth metals
49. Any substance that has a definite composition
pure substance
chemical
intensive property
average atomic mass
50. An electron occupies the lowest-energy orbital that can receive it
isotopes
hypothesis
physical property
Aufaub principle
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