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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 closeness of a set of measurements of the same quantity made in the same way
precision
Heisenberg Uncertainty Principle
actinide
Angular Momentum Quantum Number
2. An outer main energy level occupied - in most cases - by 8 electrons
atomic number
chemistry
noble gas configuration
gas
3. Which suborbital. (Py - Px - Pz)
electron configuration
line-emission spectrum
Magnetic Quantum Number
matter
4. A change in a substance that does not involve a change in the identity of the substance
physical change
gas
mixture
electronegativity
5. The d-block elements are metals with typical metallic properties.
solid
element
electromagnetic radiation
transition metals
6. The p-block elements together with the s-block elements.
significant figure
change of state
continuous spectrum
main-group elements
7. Distance between corresponding points on adjacent waves.
wavelength
law of conservation of mass
pure substance
noble gas
8. The state of matter in which a substance has neither definite volume nor definite shape
element
main-group elements
gas
model
9. A testable statement
atomic radius
inverse proportion
photon
hypothesis
10. The ratio of mass to volume or mass divided by volume
liquid
nuclear force
wavelength
density
11. Any process that results in the formation of an ion.
ionization
family
extensive property
chemical change
12. A unit that is a combination of SI base units
Angular Momentum Quantum Number
main-group elements
derived unit
chemical
13. The ability of a substance to undergo a change that transforms it into a different substance
chemical property
photoelectric effect
theory
anion
14. Minimum quantity of energy that can be lost or gained by an atom.
atomic number
mole
line-emission spectrum
quantum
15. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
alkaline-earth metals
atomic mass unit
mass number
group
16. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
direct proportion
scientific method
continuous spectrum
noble gas
17. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
significant figure
system
physical change
atomic radius
18. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
photoelectric effect
lanthanide
percent error
alkaline-earth metals
19. The total number of protons and neutrons in the nucleus of an isotope
mass number
chemical
solid
direct proportion
20. The 14 elements with the atomic numbers 58-71.
lanthanide
molar mass
atomic number
volume
21. The general term for any isotope of any element
Spin Quantum Number
hertz
nuclide
Quantum Theory
22. Not having a uniform composition throughout
heterogeneous
law of conservation of mass
electron configuration
mass number
23. A substance that reacts in a chemical change
reactant
direct proportion
chemical change
extensive property
24. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
orbital
weight
matter
25. The elements of group 17 of the periodic table.
Avogadro's number
frequency
halogens
average atomic mass
26. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
electromagnetic radiation
law of conservation of mass
homogeneous
chemical change
27. A substance that is made from the atoms of two or more elements that are chemically bonded
compound
chemistry
intensive property
orbital
28. 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
pure substance
electromagnetic spectrum
chemical property
volume
29. The emission of a continuous range of frequencies of electromagnetic radiation.
model
significant figure
continuous spectrum
line-emission spectrum
30. Atoms of the same element that have different masses
quantum
Avogadro's number
electromagnetic radiation
isotopes
31. The smallest unit of an element that maintains the properties of that element
quantity
atom
atomic number
cation
32. The suborbitals of an atom. (S - P - D - F)
Angular Momentum Quantum Number
inverse proportion
ionization
lanthanide
33. A horizontal row of elements in the periodic table
period
electromagnetic radiation
quantum
law of definite proportions
34. The mass of one mole of a pure substance
theory
molar mass
chemical reaction
mole
35. Having a uniform composition throughout
intensive property
main-group elements
homogeneous
line-emission spectrum
36. Two quantities that give a constant value when one is divided by the other
direct proportion
molar mass
solid
scientific method
37. Anything that has mass and takes up space
frequency
nuclear force
direct proportion
matter
38. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
significant figure
wavelength
ionization energy
39. A blend of two or more kinds of matter - each of which retains its own identity and properties
Quantum Numbers
mixture
family
valence electrons
40. A characteristic that can be observed or measured without changing the identity of the substance
atom
physical property
line-emission spectrum
wavelength
41. 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.
alkali metals
mass
chemical reaction
periodic table
42. The state of matter in which the substance has definite volume and definite shape
solid
electron configuration
isotopes
actinide
43. A substance that is formed by a chemical change
alkaline-earth metals
product
atom
chemistry
44. A change in which one or more substances are converted into different substances
Spin Quantum Number
atom
chemical change
system
45. A chemical compound contains the same elementsin exactly the same proportions by mass regardless of the size of the sample orthe source of the compound
metal
noble gas
group
law of definite proportions
46. The measurement system accepted worldwide
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47. Emission of electrons from a metal when light shines on a metal.
heterogeneous
noble gas configuration
photoelectric effect
chemical
48. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
anion
matter
nuclear force
average atomic mass
49. A measure of the gravitational pull on matter
weight
atom
Quantum Numbers
Avogadro's number
50. Which way it spins. (up or down)
Spin Quantum Number
heterogeneous
metal
mole