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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. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
excited state
Pauli exclusion principle
alkaline-earth metals
Quantum Numbers
2. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
nuclear force
photon
reactant
Pauli exclusion principle
3. A reaction in which one or more substances are converted into different substances
chemical reaction
Quantum Theory
electron affinity
Hund's rule
4. Distance between corresponding points on adjacent waves.
isotopes
significant figure
wavelength
photoelectric effect
5. The smallest unit of an element that maintains the properties of that element
law of multiple proportions
electron configuration
ionization
atom
6. The total number of protons and neutrons in the nucleus of an isotope
mass number
periodic law
Spin Quantum Number
weight
7. A change in a substance that does not involve a change in the identity of the substance
Magnetic Quantum Number
percent error
physical change
noble gas
8. A substance that reacts in a chemical change
family
theory
reactant
valence electrons
9. Not having a uniform composition throughout
atomic mass unit
heterogeneous
conversion factor
gas
10. No two electrons in the same atom can have the same set of four quantum numbers
physical change
mole
Pauli exclusion principle
precision
11. 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
main-group elements
atomic number
pure substance
mixture
12. Which way it spins. (up or down)
Spin Quantum Number
photon
reactant
isotopes
13. The p-block elements together with the s-block elements.
percent error
physical change
main-group elements
chemical reaction
14. The d-block elements are metals with typical metallic properties.
hypothesis
matter
transition metals
ionization energy
15. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
product
electronegativity
nuclear force
law of definite proportions
16. The energy required to remove one electron from a neutral atom of an element.
compound
average atomic mass
photoelectric effect
ionization energy
17. The state of matter in which the substance has definite volume and definite shape
derived unit
system
solid
intensive property
18. The elements of group 17 of the periodic table.
plasma
atom
conversion factor
halogens
19. An electron occupies the lowest-energy orbital that can receive it
excited state
pure substance
period
Aufaub principle
20. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
family
periodic law
system
21. The amount of space occupied by an object
Hund's rule
electron affinity
volume
mixture
22. The elements of group 2 of the periodic table.
ion
isotopes
alkaline-earth metals
physical change
23. A testable statement
photon
hypothesis
frequency
direct proportion
24. 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
Hund's rule
atom
Principle Quantum Number
25. State in which an atom has a higher potential energy than it has in it's ground state.
intensive property
excited state
atomic number
pure substance
26. A change in which one or more substances are converted into different substances
chemical reaction
hypothesis
chemical change
conversion factor
27. A property that depends on the amount of matter that is present
plasma
significant figure
mass
extensive property
28. The 14 elements with the atomic numbers 58-71.
period
plasma
chemical change
lanthanide
29. The ratio of mass to volume or mass divided by volume
periodic law
density
isotopes
law of multiple proportions
30. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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31. Atoms of the same element that have different masses
mass number
isotopes
matter
heterogeneous
32. An atom or group of bonded atoms that has a positive or negative charge.
volume
nuclide
mass
ion
33. Emission of electrons from a metal when light shines on a metal.
line-emission spectrum
photoelectric effect
anion
quantum
34. A vertical column of the periodic table
accuracy
gas
nuclear force
family
35. The arrangement of electrons in an atom
electron configuration
derived unit
chemical change
transition metals
36. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
inverse proportion
Heisenberg Uncertainty Principle
mixture
Quantum Theory
37. The general term for any isotope of any element
Heisenberg Uncertainty Principle
periodic law
nuclide
atom
38. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
mixture
mass number
law of conservation of mass
39. A pure substance made of only one kind of atom
element
frequency
inverse proportion
Pauli exclusion principle
40. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
scientific method
solid
significant figure
alkaline-earth metals
41. A blend of two or more kinds of matter - each of which retains its own identity and properties
Magnetic Quantum Number
main-group elements
mixture
theory
42. 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
nuclide
law of multiple proportions
quantity
periodic law
43. The mass of one mole of a pure substance
molar mass
ground state
atom
product
44. An element that is a poor conductor of heat and electricity
chemical property
nonmetal
nuclear force
electronegativity
45. A measure of the amount of matter
law of multiple proportions
mass
matter
Hund's rule
46. The energy change that occurs when an electron is acquired by a neutral atom.
Quantum Theory
atom
electron affinity
actinide
47. A negative ion.
anion
molar mass
law of multiple proportions
nuclide
48. The smallest unit of an element that maintains the properties of that element
law of multiple proportions
atom
alkali metals
Hund's rule
49. A property that does not depend on the amount of matter present
intensive property
chemical change
cation
Hund's rule
50. The number of protons in the nucleus of each atom of an element
main-group elements
electron configuration
periodic law
atomic number