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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. A vertical column of the periodic table
weight
line-emission spectrum
product
group
2. A substance that is formed by a chemical change
product
continuous spectrum
reactant
compound
3. A blend of two or more kinds of matter - each of which retains its own identity and properties
Pauli exclusion principle
mixture
lanthanide
law of conservation of mass
4. A vertical column of the periodic table
mass
Quantum Theory
family
matter
5. A horizontal row of elements in the periodic table
metalloid
SI (Le Système International d'Unités
Quantum Theory
period
6. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
compound
Angular Momentum Quantum Number
alkali metals
electronegativity
7. The energy change that occurs when an electron is acquired by a neutral atom.
electron affinity
chemical
wavelength
significant figure
8. Minimum quantity of energy that can be lost or gained by an atom.
electromagnetic radiation
significant figure
ionization
quantum
9. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
Magnetic Quantum Number
volume
scientific notation n where the factor M is a scientific notation
electromagnetic radiation
10. The 14 elements with the atomic numbers 58-71.
lanthanide
Magnetic Quantum Number
electromagnetic radiation
mole
11. The measurement system accepted worldwide
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12. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
reactant
average atomic mass
Magnetic Quantum Number
atomic mass unit
13. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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14. The total amount of energy level an atom has.
Principle Quantum Number
homogeneous
physical change
liquid
15. A measure of the gravitational pull on matter
excited state
weight
electronegativity
conversion factor
16. 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
lanthanide
anion
chemical
17. The number of protons in the nucleus of each atom of an element
density
system
atomic number
atom
18. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
family
orbital
Quantum Numbers
19. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
nuclear force
accuracy
physical property
transition metals
20. A reaction in which one or more substances are converted into different substances
chemical reaction
lanthanide
alkaline-earth metals
law of definite proportions
21. A testable statement
liquid
group
hypothesis
mole
22. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
ionization
density
precision
23. The p-block elements together with the s-block elements.
average atomic mass
anion
main-group elements
atomic mass unit
24. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
law of conservation of mass
theory
significant figure
cation
25. The state of matter in which the substance has a definite volume but an indefinite shape
chemical
liquid
mole
scientific method
26. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
atomic mass unit
Quantum Theory
derived unit
Aufaub principle
27. 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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28. A substance that is made from the atoms of two or more elements that are chemically bonded
compound
heterogeneous
nonmetal
density
29. The closeness of measurements to the correct or accepted value of the quantity measured
nonmetal
chemistry
accuracy
physical property
30. Atoms of the same element that have different masses
nuclide
product
isotopes
Hund's rule
31. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
theory
line-emission spectrum
valence electrons
Spin Quantum Number
32. One wave per second.
anion
molar mass
scientific method
hertz
33. Lowest energy state of an atom.
frequency
ground state
transition metals
element
34. A unit that is a combination of SI base units
atom
hypothesis
derived unit
gas
35. The mass of one mole of a pure substance
chemistry
molar mass
transition metals
Magnetic Quantum Number
36. The smallest unit of an element that maintains the properties of that element
isotopes
cation
law of multiple proportions
atom
37. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
lanthanide
transition metals
chemical change
38. A broad generalization that explains a body of facts or phenomena
lanthanide
ionization energy
nuclear force
theory
39. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
molar mass
anion
wavelength
40. A change in a substance that does not involve a change in the identity of the substance
physical change
quantum
heterogeneous
weight
41. The 14 elements with the atomic numbers 90-103.
scientific method
actinide
ionization
photon
42. Two quantities that give a constant value when one is divided by the other
continuous spectrum
chemical reaction
direct proportion
law of multiple proportions
43. An explanation of how phenomena occur and how data or events are related
homogeneous
cation
chemical
model
44. Distance between corresponding points on adjacent waves.
average atomic mass
noble gas
wavelength
pure substance
45. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
physical property
chemical change
metalloid
46. The state of matter in which a substance has neither definite volume nor definite shape
transition metals
conversion factor
scientific notation n where the factor M is a scientific notation
gas
47. Which way it spins. (up or down)
reactant
Spin Quantum Number
electromagnetic spectrum
derived unit
48. The amount of space occupied by an object
volume
scientific method
ionization energy
nonmetal
49. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
lanthanide
orbital
Heisenberg Uncertainty Principle
element
50. Which suborbital. (Py - Px - Pz)
chemical
gas
Magnetic Quantum Number
physical change