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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. A substance that is made from the atoms of two or more elements that are chemically bonded
atomic mass unit
plasma
Quantum Theory
compound
2. A unit that is a combination of SI base units
derived unit
electronegativity
wavelength
noble gas
3. Minimum quantity of energy that can be lost or gained by an atom.
quantum
actinide
Aufaub principle
photoelectric effect
4. A measure of the amount of matter
mass
precision
percent error
weight
5. The d-block elements are metals with typical metallic properties.
transition metals
chemical
nuclear force
Quantum Theory
6. A vertical column of the periodic table
quantum
family
chemical
model
7. State in which an atom has a higher potential energy than it has in it's ground state.
inverse proportion
noble gas configuration
excited state
ion
8. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electronegativity
scientific notation n where the factor M is a scientific notation
heterogeneous
law of conservation of mass
9. An element that is a poor conductor of heat and electricity
nonmetal
pure substance
SI (Le Système International d'Unités
lanthanide
10. The elements of group 1 of the periodic table.
Pauli exclusion principle
homogeneous
liquid
alkali metals
11. The total amount of energy level an atom has.
Principle Quantum Number
atomic radius
noble gas
electronegativity
12. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
Quantum Theory
family
product
line-emission spectrum
13. 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
pure substance
theory
quantum
14. Not having a uniform composition throughout
electromagnetic spectrum
excited state
periodic law
heterogeneous
15. Atoms of the same element that have different masses
Principle Quantum Number
law of definite proportions
group
isotopes
16. A change in a substance that does not involve a change in the identity of the substance
physical change
pure substance
chemical change
wavelength
17. A broad generalization that explains a body of facts or phenomena
theory
Spin Quantum Number
system
Hund's rule
18. A substance that is formed by a chemical change
product
periodic law
electron configuration
chemical property
19. Anything that has mass and takes up space
isotopes
volume
matter
Spin Quantum Number
20. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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21. Number of waves that pass a given point in a specific time - usually one second.
cation
system
heterogeneous
frequency
22. The smallest unit of an element that maintains the properties of that element
atom
photon
Magnetic Quantum Number
Quantum Theory
23. An explanation of how phenomena occur and how data or events are related
law of multiple proportions
element
mass number
model
24. Mass is neither created nor destroyed duringordinary chemical or physical reactions
intensive property
main-group elements
law of conservation of mass
accuracy
25. 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
Aufaub principle
nonmetal
family
26. The measurement system accepted worldwide
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27. A 3D region around the nucleus that indicates the probable location of an electron.
orbital
chemical
change of state
average atomic mass
28. An electron occupies the lowest-energy orbital that can receive it
transition metals
Aufaub principle
periodic table
intensive property
29. The elements of group 2 of the periodic table.
alkaline-earth metals
law of definite proportions
lanthanide
theory
30. Emission of electrons from a metal when light shines on a metal.
Magnetic Quantum Number
photoelectric effect
transition metals
law of multiple proportions
31. A horizontal row of elements in the periodic table
noble gas configuration
period
pure substance
Aufaub principle
32. 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
physical change
intensive property
molar mass
33. No two electrons in the same atom can have the same set of four quantum numbers
molar mass
quantum
Pauli exclusion principle
atomic mass unit
34. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
density
photon
atom
nuclide
35. 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
family
chemical reaction
law of multiple proportions
metalloid
36. The state of matter in which the substance has a definite volume but an indefinite shape
law of conservation of mass
liquid
excited state
matter
37. The emission of a continuous range of frequencies of electromagnetic radiation.
inverse proportion
compound
continuous spectrum
chemistry
38. The energy change that occurs when an electron is acquired by a neutral atom.
direct proportion
electron affinity
change of state
accuracy
39. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
physical change
photon
average atomic mass
40. A blend of two or more kinds of matter - each of which retains its own identity and properties
Quantum Theory
metalloid
matter
mixture
41. The ratio of mass to volume or mass divided by volume
chemistry
cation
density
inverse proportion
42. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
noble gas
valence electrons
electromagnetic spectrum
law of multiple proportions
43. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
scientific method
atom
physical change
Heisenberg Uncertainty Principle
44. Lowest energy state of an atom.
ground state
atomic number
excited state
Spin Quantum Number
45. The amount of space occupied by an object
volume
direct proportion
photoelectric effect
accuracy
46. The energy required to remove one electron from a neutral atom of an element.
alkaline-earth metals
hertz
ionization energy
molar mass
47. A measure of the gravitational pull on matter
noble gas configuration
Heisenberg Uncertainty Principle
weight
Quantum Theory
48. The p-block elements together with the s-block elements.
heterogeneous
main-group elements
ion
compound
49. Distance between corresponding points on adjacent waves.
SI (Le Système International d'Unités
atom
wavelength
ionization
50. A high-temperature physical state of matter in which atoms lose their electrons
plasma
accuracy
cation
inverse proportion