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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. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Heisenberg Uncertainty Principle
Principle Quantum Number
nuclear force
chemistry
2. The elements of group 17 of the periodic table.
halogens
chemical property
alkaline-earth metals
hertz
3. Two quantities that have a constant mathematical product
inverse proportion
quantum
mass number
hypothesis
4. A change in a substance that does not involve a change in the identity of the substance
nonmetal
direct proportion
chemical reaction
physical change
5. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
quantum
extensive property
Quantum Numbers
weight
6. A substance that is formed by a chemical change
product
quantum
frequency
Aufaub principle
7. 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
reactant
atom
pure substance
alkali metals
8. Something that has magnitude - size - or amount
density
photoelectric effect
reactant
quantity
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
electromagnetic spectrum
scientific notation n where the factor M is a scientific notation
chemical property
anion
10. A vertical column of the periodic table
theory
photoelectric effect
metal
group
11. The arrangement of electrons in an atom
electron configuration
transition metals
product
extensive property
12. A physical change of a substance from one state to another
percent error
physical change
photon
change of state
13. A substance that reacts in a chemical change
main-group elements
reactant
Principle Quantum Number
Magnetic Quantum Number
14. The d-block elements are metals with typical metallic properties.
quantity
transition metals
noble gas
atomic radius
15. Distance between corresponding points on adjacent waves.
wavelength
reactant
chemistry
mixture
16. Anything that has mass and takes up space
metalloid
matter
nonmetal
average atomic mass
17. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
plasma
conversion factor
periodic table
cation
18. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
ground state
solid
electromagnetic spectrum
19. 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.
periodic table
product
solid
halogens
20. Lowest energy state of an atom.
ground state
atomic mass unit
atom
nonmetal
21. A horizontal row of elements in the periodic table
cation
chemical property
Heisenberg Uncertainty Principle
period
22. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
homogeneous
atom
mole
scientific method
23. Two quantities that give a constant value when one is divided by the other
density
metal
average atomic mass
direct proportion
24. An element that is a good conductor of heat and electricity
chemical reaction
inverse proportion
accuracy
metal
25. Having a uniform composition throughout
lanthanide
weight
homogeneous
photoelectric effect
26. A measure of the gravitational pull on matter
electronegativity
volume
weight
noble gas configuration
27. A change in which one or more substances are converted into different substances
model
quantum
halogens
chemical change
28. Combination of all the forms of electromagnetic radiation.
percent error
electromagnetic spectrum
electron configuration
significant figure
29. Atoms of the same element that have different masses
physical change
isotopes
law of multiple proportions
Aufaub principle
30. One wave per second.
periodic table
atomic mass unit
hertz
law of conservation of mass
31. No two electrons in the same atom can have the same set of four quantum numbers
chemical change
valence electrons
Pauli exclusion principle
accuracy
32. The general term for any isotope of any element
nuclide
system
percent error
weight
33. An electron occupies the lowest-energy orbital that can receive it
period
Aufaub principle
law of conservation of mass
continuous spectrum
34. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
homogeneous
Angular Momentum Quantum Number
line-emission spectrum
theory
35. The suborbitals of an atom. (S - P - D - F)
physical change
Angular Momentum Quantum Number
compound
scientific notation n where the factor M is a scientific notation
36. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
ionization energy
atom
ionization
valence electrons
37. The total number of protons and neutrons in the nucleus of an isotope
physical change
mass number
law of definite proportions
plasma
38. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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39. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
frequency
quantity
hertz
40. A substance that is made from the atoms of two or more elements that are chemically bonded
Avogadro's number
alkali metals
compound
chemical
41. The closeness of a set of measurements of the same quantity made in the same way
significant figure
electromagnetic spectrum
precision
heterogeneous
42. A pure substance made of only one kind of atom
group
noble gas configuration
main-group elements
element
43. The elements of group 2 of the periodic table.
plasma
reactant
atomic number
alkaline-earth metals
44. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
average atomic mass
homogeneous
noble gas
ionization
45. The mass of one mole of a pure substance
isotopes
molar mass
electron affinity
metal
46. The 14 elements with the atomic numbers 58-71.
lanthanide
Avogadro's number
significant figure
Quantum Numbers
47. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
hypothesis
electronegativity
compound
48. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
orbital
photon
atomic mass unit
quantity
49. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
photon
nuclear force
law of multiple proportions
continuous spectrum
50. The 14 elements with the atomic numbers 90-103.
actinide
photon
periodic law
nuclide