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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.
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. A property that does not depend on the amount of matter present
mass number
intensive property
reactant
matter
2. The smallest unit of an element that maintains the properties of that element
heterogeneous
atom
hertz
average atomic mass
3. The total number of protons and neutrons in the nucleus of an isotope
compound
ionization energy
Quantum Numbers
mass number
4. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
quantum
conversion factor
electron configuration
5. Which suborbital. (Py - Px - Pz)
mass
Magnetic Quantum Number
mole
quantity
6. A property that depends on the amount of matter that is present
theory
extensive property
chemical
atom
7. The general term for any isotope of any element
physical property
nuclide
accuracy
Spin Quantum Number
8. A physical change of a substance from one state to another
change of state
alkaline-earth metals
electromagnetic radiation
line-emission spectrum
9. 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
law of definite proportions
Aufaub principle
ionization energy
scientific method
10. The amount of space occupied by an object
weight
physical change
volume
compound
11. The energy change that occurs when an electron is acquired by a neutral atom.
electron affinity
product
volume
photoelectric effect
12. A substance that is made from the atoms of two or more elements that are chemically bonded
Spin Quantum Number
volume
compound
anion
13. A testable statement
hypothesis
mole
metalloid
chemical reaction
14. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
nuclear force
Angular Momentum Quantum Number
chemical reaction
15. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
nuclide
quantity
law of multiple proportions
atomic mass unit
16. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
chemical
intensive property
continuous spectrum
17. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
chemical property
ion
electronegativity
reactant
18. Lowest energy state of an atom.
ground state
cation
quantity
extensive property
19. A change in which one or more substances are converted into different substances
chemical change
percent error
frequency
metal
20. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
electromagnetic radiation
quantum
line-emission spectrum
chemical change
21. Number of waves that pass a given point in a specific time - usually one second.
transition metals
chemical property
frequency
accuracy
22. A 3D region around the nucleus that indicates the probable location of an electron.
valence electrons
line-emission spectrum
orbital
main-group elements
23. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
periodic table
mixture
Magnetic Quantum Number
photon
24. A blend of two or more kinds of matter - each of which retains its own identity and properties
mixture
nonmetal
law of multiple proportions
plasma
25. The state of matter in which the substance has a definite volume but an indefinite shape
change of state
liquid
quantity
mass
26. The state of matter in which a substance has neither definite volume nor definite shape
metalloid
nuclear force
element
gas
27. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
group
scientific method
metal
hertz
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
atom
quantum
homogeneous
pure substance
29. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
Quantum Numbers
direct proportion
nuclear force
hertz
30. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
ionization
electromagnetic radiation
Pauli exclusion principle
31. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
noble gas configuration
noble gas
significant figure
photon
32. A broad generalization that explains a body of facts or phenomena
scientific method
theory
physical property
change of state
33. A pure substance made of only one kind of atom
element
isotopes
mole
plasma
34. Minimum quantity of energy that can be lost or gained by an atom.
quantum
inverse proportion
ground state
noble gas configuration
35. 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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36. Anything that has mass and takes up space
Heisenberg Uncertainty Principle
transition metals
Quantum Theory
matter
37. The smallest unit of an element that maintains the properties of that element
atom
quantum
cation
atomic radius
38. A reaction in which one or more substances are converted into different substances
transition metals
chemical reaction
Quantum Theory
valence electrons
39. An atom or group of bonded atoms that has a positive or negative charge.
frequency
pure substance
ion
chemical property
40. A high-temperature physical state of matter in which atoms lose their electrons
plasma
period
intensive property
compound
41. The ability of a substance to undergo a change that transforms it into a different substance
gas
chemical property
law of multiple proportions
element
42. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
matter
photon
electronegativity
system
43. The study of the composition - structure - and properties of matter and the changes it undergoes
Magnetic Quantum Number
valence electrons
chemistry
main-group elements
44. A horizontal row of elements in the periodic table
law of multiple proportions
period
metalloid
intensive property
45. An element that is a poor conductor of heat and electricity
scientific notation n where the factor M is a scientific notation
nonmetal
Hund's rule
direct proportion
46. The state of matter in which the substance has definite volume and definite shape
extensive property
solid
atom
plasma
47. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
atomic mass unit
reactant
scientific notation n where the factor M is a scientific notation
48. The emission of a continuous range of frequencies of electromagnetic radiation.
volume
continuous spectrum
ground state
compound
49. One wave per second.
hertz
significant figure
electromagnetic spectrum
accuracy
50. A substance that is formed by a chemical change
nuclear force
liquid
valence electrons
product
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