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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. Not having a uniform composition throughout
alkali metals
Quantum Theory
heterogeneous
family
2. A change in which one or more substances are converted into different substances
ground state
transition metals
frequency
chemical change
3. The ratio of mass to volume or mass divided by volume
heterogeneous
transition metals
density
electromagnetic spectrum
4. Anything that has mass and takes up space
matter
Avogadro's number
significant figure
quantity
5. Emission of electrons from a metal when light shines on a metal.
wavelength
mass number
extensive property
photoelectric effect
6. A vertical column of the periodic table
pure substance
group
cation
hypothesis
7. A measure of the amount of matter
law of multiple proportions
mass
Magnetic Quantum Number
valence electrons
8. Number of waves that pass a given point in a specific time - usually one second.
frequency
electromagnetic radiation
mass
chemical
9. Any process that results in the formation of an ion.
physical change
intensive property
ionization
average atomic mass
10. The measurement system accepted worldwide
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11. Atoms of the same element that have different masses
isotopes
direct proportion
atomic mass unit
Pauli exclusion principle
12. The p-block elements together with the s-block elements.
ionization energy
gas
main-group elements
law of conservation of mass
13. A substance that is made from the atoms of two or more elements that are chemically bonded
mixture
scientific notation n where the factor M is a scientific notation
physical change
compound
14. Mass is neither created nor destroyed duringordinary chemical or physical reactions
law of conservation of mass
photon
system
hypothesis
15. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
lanthanide
intensive property
electronegativity
conversion factor
16. The smallest unit of an element that maintains the properties of that element
atom
wavelength
Heisenberg Uncertainty Principle
mole
17. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
conversion factor
Quantum Numbers
atomic radius
scientific notation n where the factor M is a scientific notation
18. The elements of group 17 of the periodic table.
halogens
Quantum Numbers
electron configuration
quantum
19. No two electrons in the same atom can have the same set of four quantum numbers
Pauli exclusion principle
periodic table
Quantum Theory
Spin Quantum Number
20. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
conversion factor
halogens
Principle Quantum Number
period
21. A 3D region around the nucleus that indicates the probable location of an electron.
atom
orbital
direct proportion
nonmetal
22. The elements of group 1 of the periodic table.
Angular Momentum Quantum Number
alkali metals
percent error
scientific notation n where the factor M is a scientific notation
23. The total number of protons and neutrons in the nucleus of an isotope
mass number
atom
Avogadro's number
solid
24. The 14 elements with the atomic numbers 90-103.
actinide
nuclear force
atom
Avogadro's number
25. The energy change that occurs when an electron is acquired by a neutral atom.
electron affinity
line-emission spectrum
atom
scientific notation n where the factor M is a scientific notation
26. The total amount of energy level an atom has.
significant figure
mixture
Principle Quantum Number
hypothesis
27. A physical change of a substance from one state to another
ionization energy
change of state
mole
main-group elements
28. 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
mixture
Pauli exclusion principle
quantity
law of multiple proportions
29. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
Aufaub principle
photon
transition metals
metal
30. One wave per second.
nuclear force
hertz
metalloid
accuracy
31. The mass of one mole of a pure substance
molar mass
homogeneous
pure substance
mass
32. The elements of group 2 of the periodic table.
halogens
Aufaub principle
line-emission spectrum
alkaline-earth metals
33. A vertical column of the periodic table
law of definite proportions
volume
family
alkaline-earth metals
34. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
Angular Momentum Quantum Number
Quantum Theory
extensive property
35. A negative ion.
anion
compound
law of definite proportions
electron configuration
36. A property that does not depend on the amount of matter present
intensive property
matter
wavelength
family
37. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
photoelectric effect
intensive property
atom
38. 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.
change of state
weight
accuracy
periodic table
39. A measure of the gravitational pull on matter
transition metals
weight
family
density
40. 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
atom
gas
heterogeneous
41. 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
alkali metals
periodic law
electron configuration
42. Two quantities that give a constant value when one is divided by the other
direct proportion
photoelectric effect
ion
law of conservation of mass
43. An element that is a poor conductor of heat and electricity
transition metals
nonmetal
Spin Quantum Number
atom
44. Distance between corresponding points on adjacent waves.
Magnetic Quantum Number
model
wavelength
volume
45. A high-temperature physical state of matter in which atoms lose their electrons
Magnetic Quantum Number
plasma
ionization energy
alkaline-earth metals
46. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
chemical reaction
valence electrons
mass
percent error
47. A horizontal row of elements in the periodic table
orbital
period
inverse proportion
Principle Quantum Number
48. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
percent error
model
scientific notation n where the factor M is a scientific notation
electron affinity
49. Something that has magnitude - size - or amount
nonmetal
quantity
physical change
period
50. A characteristic that can be observed or measured without changing the identity of the substance
reactant
noble gas
line-emission spectrum
physical property