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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 energy required to remove one electron from a neutral atom of an element.
wavelength
ionization energy
period
compound
2. A 3D region around the nucleus that indicates the probable location of an electron.
Spin Quantum Number
orbital
product
photoelectric effect
3. A high-temperature physical state of matter in which atoms lose their electrons
alkaline-earth metals
plasma
metalloid
chemical reaction
4. Which way it spins. (up or down)
nonmetal
direct proportion
Spin Quantum Number
halogens
5. The closeness of a set of measurements of the same quantity made in the same way
period
compound
precision
SI (Le Système International d'Unités
6. A substance that is formed by a chemical change
liquid
chemical reaction
product
lanthanide
7. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
group
electromagnetic radiation
line-emission spectrum
period
8. Number of waves that pass a given point in a specific time - usually one second.
product
chemical
scientific method
frequency
9. The amount of space occupied by an object
Quantum Numbers
physical property
volume
halogens
10. Distance between corresponding points on adjacent waves.
reactant
metalloid
electron affinity
wavelength
11. The p-block elements together with the s-block elements.
metal
alkali metals
main-group elements
reactant
12. A vertical column of the periodic table
Quantum Theory
group
physical change
ion
13. One wave per second.
Magnetic Quantum Number
hertz
mass
alkaline-earth metals
14. Two quantities that have a constant mathematical product
lanthanide
ion
inverse proportion
hertz
15. 1/2 the distance between the nuclei of identical atoms that are bonded together.
cation
atomic radius
conversion factor
density
16. The ratio of mass to volume or mass divided by volume
Magnetic Quantum Number
periodic law
density
model
17. If two or more different compounds arecomposed of the same two elements - then the ratio of the masses of the secondelement combined with a certain mass of the first element is always a ratio ofsmall whole numbers
element
pure substance
law of multiple proportions
derived unit
18. The suborbitals of an atom. (S - P - D - F)
weight
hypothesis
Angular Momentum Quantum Number
change of state
19. An element that is a good conductor of heat and electricity
Hund's rule
electron affinity
period
metal
20. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
atom
scientific method
Heisenberg Uncertainty Principle
valence electrons
21. Atoms of the same element that have different masses
photoelectric effect
anion
isotopes
ionization energy
22. A vertical column of the periodic table
family
mass
Quantum Theory
derived unit
23. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
intensive property
Quantum Numbers
nonmetal
electron affinity
24. 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
quantum
frequency
Spin Quantum Number
25. Something that has magnitude - size - or amount
theory
quantity
electromagnetic spectrum
Magnetic Quantum Number
26. The elements of group 1 of the periodic table.
gas
nuclear force
alkali metals
continuous spectrum
27. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
quantity
actinide
chemical property
28. A reaction in which one or more substances are converted into different substances
alkaline-earth metals
chemical
chemical reaction
Heisenberg Uncertainty Principle
29. A property that does not depend on the amount of matter present
group
intensive property
orbital
conversion factor
30. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
alkali metals
quantity
continuous spectrum
31. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
scientific notation n where the factor M is a scientific notation
mole
ion
Aufaub principle
32. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
gas
actinide
mixture
33. The ability of a substance to undergo a change that transforms it into a different substance
law of definite proportions
Heisenberg Uncertainty Principle
chemical property
Hund's rule
34. Describes mathematically the wave properties of electrons and other very small particles.
Principle Quantum Number
Quantum Theory
valence electrons
product
35. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
scientific method
solid
percent error
intensive property
36. Emission of electrons from a metal when light shines on a metal.
physical property
photoelectric effect
scientific notation n where the factor M is a scientific notation
line-emission spectrum
37. A testable statement
mass number
hypothesis
halogens
extensive property
38. Not having a uniform composition throughout
Pauli exclusion principle
pure substance
heterogeneous
element
39. Minimum quantity of energy that can be lost or gained by an atom.
photoelectric effect
quantum
product
nonmetal
40. Any process that results in the formation of an ion.
Quantum Theory
quantity
metal
ionization
41. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
significant figure
homogeneous
Pauli exclusion principle
Heisenberg Uncertainty Principle
42. 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
anion
chemical
chemistry
law of definite proportions
43. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
excited state
electronegativity
transition metals
Avogadro's number
44. An element that has some characteristics of metals and some characteristics of nonmetals
extensive property
metalloid
scientific notation n where the factor M is a scientific notation
quantity
45. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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46. A substance that is made from the atoms of two or more elements that are chemically bonded
heterogeneous
family
average atomic mass
compound
47. The study of the composition - structure - and properties of matter and the changes it undergoes
Quantum Theory
Quantum Numbers
metal
chemistry
48. The measurement system accepted worldwide
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49. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
line-emission spectrum
physical change
average atomic mass
quantity
50. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
pure substance
anion
nonmetal