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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 physical and chemical properties of the elements are periodic functions of their atomic numbers.
nonmetal
frequency
periodic law
Spin Quantum Number
2. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
homogeneous
nuclear force
Quantum Numbers
significant figure
3. Lowest energy state of an atom.
Principle Quantum Number
Spin Quantum Number
ground state
Avogadro's number
4. The energy required to remove one electron from a neutral atom of an element.
plasma
volume
lanthanide
ionization energy
5. Which suborbital. (Py - Px - Pz)
transition metals
chemical reaction
Magnetic Quantum Number
Aufaub principle
6. The total amount of energy level an atom has.
alkali metals
liquid
mass
Principle Quantum Number
7. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
family
conversion factor
main-group elements
group
8. The amount of space occupied by an object
molar mass
matter
volume
accuracy
9. Mass is neither created nor destroyed duringordinary chemical or physical reactions
mole
periodic table
derived unit
law of conservation of mass
10. The 14 elements with the atomic numbers 90-103.
actinide
atomic number
plasma
ground state
11. A broad generalization that explains a body of facts or phenomena
density
main-group elements
law of multiple proportions
theory
12. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
isotopes
gas
photon
electronegativity
13. The ratio of mass to volume or mass divided by volume
density
system
significant figure
actinide
14. The arrangement of electrons in an atom
electron configuration
chemical property
metal
hertz
15. The state of matter in which the substance has a definite volume but an indefinite shape
group
liquid
Hund's rule
significant figure
16. Something that has magnitude - size - or amount
continuous spectrum
quantity
mole
direct proportion
17. The number of protons in the nucleus of each atom of an element
atomic number
metal
electromagnetic radiation
chemical reaction
18. A vertical column of the periodic table
homogeneous
atomic mass unit
family
hypothesis
19. The elements of group 2 of the periodic table.
Spin Quantum Number
alkaline-earth metals
compound
product
20. 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
law of definite proportions
periodic table
21. An element that has some characteristics of metals and some characteristics of nonmetals
electromagnetic radiation
metalloid
orbital
law of multiple proportions
22. Distance between corresponding points on adjacent waves.
anion
continuous spectrum
wavelength
mole
23. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
Avogadro's number
quantum
direct proportion
24. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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25. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
photon
significant figure
atomic mass unit
product
26. The study of the composition - structure - and properties of matter and the changes it undergoes
wavelength
metal
chemistry
conversion factor
27. A testable statement
hypothesis
wavelength
intensive property
atom
28. A measure of the amount of matter
direct proportion
mass
electromagnetic spectrum
mixture
29. The elements of group 17 of the periodic table.
halogens
valence electrons
ionization energy
ionization
30. The elements of group 1 of the periodic table.
anion
frequency
alkali metals
photon
31. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
orbital
scientific method
Heisenberg Uncertainty Principle
conversion factor
32. A substance that is made from the atoms of two or more elements that are chemically bonded
homogeneous
theory
compound
electronegativity
33. The general term for any isotope of any element
accuracy
nuclide
electromagnetic spectrum
quantity
34. A blend of two or more kinds of matter - each of which retains its own identity and properties
mixture
Spin Quantum Number
mass
mass number
35. 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
line-emission spectrum
Magnetic Quantum Number
law of definite proportions
mass number
36. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
Hund's rule
Spin Quantum Number
electromagnetic radiation
valence electrons
37. Any substance that has a definite composition
mass number
group
precision
chemical
38. The 14 elements with the atomic numbers 58-71.
lanthanide
reactant
percent error
electronegativity
39. A 3D region around the nucleus that indicates the probable location of an electron.
hertz
extensive property
orbital
noble gas
40. Having a uniform composition throughout
atomic mass unit
homogeneous
inverse proportion
average atomic mass
41. A characteristic that can be observed or measured without changing the identity of the substance
electromagnetic spectrum
actinide
periodic law
physical property
42. An explanation of how phenomena occur and how data or events are related
model
transition metals
chemical change
chemical property
43. A property that depends on the amount of matter that is present
weight
extensive property
ionization
conversion factor
44. Two quantities that have a constant mathematical product
nuclear force
metal
electron configuration
inverse proportion
45. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
atom
intensive property
Quantum Numbers
heterogeneous
46. A negative ion.
accuracy
pure substance
anion
mixture
47. A substance that reacts in a chemical change
reactant
chemistry
plasma
alkaline-earth metals
48. The p-block elements together with the s-block elements.
electromagnetic spectrum
Magnetic Quantum Number
atom
main-group elements
49. A unit that is a combination of SI base units
derived unit
main-group elements
electron configuration
noble gas
50. A property that does not depend on the amount of matter present
matter
group
photoelectric effect
intensive property