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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 state of matter in which the substance has a definite volume but an indefinite shape
system
liquid
hypothesis
Heisenberg Uncertainty Principle
2. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
alkaline-earth metals
precision
percent error
homogeneous
3. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
plasma
atom
scientific method
4. A change in which one or more substances are converted into different substances
liquid
excited state
chemical change
plasma
5. A vertical column of the periodic table
significant figure
solid
group
mass number
6. Atoms of the same element that have different masses
compound
periodic table
isotopes
change of state
7. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
atomic radius
nuclear force
reactant
8. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
transition metals
periodic law
photon
significant figure
9. Which way it spins. (up or down)
chemical property
accuracy
metalloid
Spin Quantum Number
10. Lowest energy state of an atom.
significant figure
Quantum Theory
ground state
electron configuration
11. Anything that has mass and takes up space
ion
scientific method
solid
matter
12. State in which an atom has a higher potential energy than it has in it's ground state.
precision
excited state
nuclide
weight
13. A pure substance made of only one kind of atom
molar mass
gas
average atomic mass
element
14. A reaction in which one or more substances are converted into different substances
hypothesis
chemical reaction
wavelength
mass number
15. A negative ion.
metal
anion
scientific method
change of state
16. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
electromagnetic radiation
Heisenberg Uncertainty Principle
liquid
photon
17. The study of the composition - structure - and properties of matter and the changes it undergoes
mixture
chemistry
atomic radius
electron affinity
18. The general term for any isotope of any element
frequency
nuclide
Spin Quantum Number
nonmetal
19. Not having a uniform composition throughout
conversion factor
heterogeneous
weight
direct proportion
20. A substance that reacts in a chemical change
hypothesis
compound
cation
reactant
21. A vertical column of the periodic table
mass
periodic table
photon
family
22. An element that has some characteristics of metals and some characteristics of nonmetals
metalloid
valence electrons
electromagnetic radiation
gas
23. An element that is a poor conductor of heat and electricity
compound
group
precision
nonmetal
24. Minimum quantity of energy that can be lost or gained by an atom.
system
heterogeneous
quantum
electromagnetic radiation
25. The closeness of measurements to the correct or accepted value of the quantity measured
weight
mass number
accuracy
frequency
26. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
mass
photoelectric effect
Heisenberg Uncertainty Principle
nuclear force
27. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
liquid
lanthanide
electronegativity
metal
28. A substance that is formed by a chemical change
product
average atomic mass
derived unit
Heisenberg Uncertainty Principle
29. A change in a substance that does not involve a change in the identity of the substance
plasma
photoelectric effect
physical change
conversion factor
30. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
chemistry
solid
SI (Le Système International d'Unités
31. The suborbitals of an atom. (S - P - D - F)
family
ionization energy
derived unit
Angular Momentum Quantum Number
32. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
noble gas
line-emission spectrum
Avogadro's number
transition metals
33. A testable statement
hypothesis
molar mass
excited state
quantity
34. Number of waves that pass a given point in a specific time - usually one second.
direct proportion
model
extensive property
frequency
35. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
mass number
atomic mass unit
Magnetic Quantum Number
metalloid
36. The total number of protons and neutrons in the nucleus of an isotope
periodic table
actinide
atomic number
mass number
37. One wave per second.
precision
hertz
cation
product
38. A substance that is made from the atoms of two or more elements that are chemically bonded
extensive property
mass
continuous spectrum
compound
39. The smallest unit of an element that maintains the properties of that element
average atomic mass
law of multiple proportions
periodic table
atom
40. The 14 elements with the atomic numbers 90-103.
direct proportion
electronegativity
periodic table
actinide
41. The smallest unit of an element that maintains the properties of that element
atom
alkaline-earth metals
electromagnetic radiation
compound
42. The ratio of mass to volume or mass divided by volume
weight
atom
density
frequency
43. The energy required to remove one electron from a neutral atom of an element.
group
ionization energy
extensive property
noble gas
44. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
Pauli exclusion principle
nuclear force
hertz
cation
45. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
Heisenberg Uncertainty Principle
weight
periodic law
alkaline-earth metals
46. Distance between corresponding points on adjacent waves.
theory
inverse proportion
wavelength
direct proportion
47. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
conversion factor
ionization
Quantum Theory
alkali metals
48. Something that has magnitude - size - or amount
electromagnetic radiation
Heisenberg Uncertainty Principle
density
quantity
49. 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.
periodic table
line-emission spectrum
nuclear force
anion
50. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
weight
alkaline-earth metals
average atomic mass