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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 total amount of energy level an atom has.
atomic radius
ionization energy
accuracy
Principle Quantum Number
2. Something that has magnitude - size - or amount
halogens
mass number
quantity
excited state
3. The energy required to remove one electron from a neutral atom of an element.
ionization energy
group
theory
percent error
4. Which suborbital. (Py - Px - Pz)
main-group elements
gas
accuracy
Magnetic Quantum Number
5. A blend of two or more kinds of matter - each of which retains its own identity and properties
accuracy
inverse proportion
continuous spectrum
mixture
6. A characteristic that can be observed or measured without changing the identity of the substance
electromagnetic spectrum
physical property
compound
product
7. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
conversion factor
atom
significant figure
mole
8. Any process that results in the formation of an ion.
actinide
ionization
anion
precision
9. An explanation of how phenomena occur and how data or events are related
significant figure
noble gas configuration
reactant
model
10. The elements of group 2 of the periodic table.
noble gas configuration
electron affinity
frequency
alkaline-earth metals
11. An element that is a good conductor of heat and electricity
derived unit
metal
density
nuclide
12. An atom or group of bonded atoms that has a positive or negative charge.
ion
group
mole
nuclide
13. A substance that is formed by a chemical change
chemical change
mass
anion
product
14. Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron - and all electrons in singly occupied orbitals must have the same spin state.
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15. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
Avogadro's number
nuclear force
electron configuration
family
16. The emission of a continuous range of frequencies of electromagnetic radiation.
actinide
continuous spectrum
plasma
line-emission spectrum
17. The ratio of mass to volume or mass divided by volume
Hund's rule
Heisenberg Uncertainty Principle
density
homogeneous
18. The ability of a substance to undergo a change that transforms it into a different substance
chemical property
Hund's rule
liquid
ionization energy
19. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
model
periodic table
scientific notation n where the factor M is a scientific notation
Heisenberg Uncertainty Principle
20. A measure of the amount of matter
Aufaub principle
Magnetic Quantum Number
mass
homogeneous
21. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
law of conservation of mass
element
main-group elements
valence electrons
22. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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23. Emission of electrons from a metal when light shines on a metal.
photoelectric effect
atomic mass unit
SI (Le Système International d'Unités
Principle Quantum Number
24. A vertical column of the periodic table
physical property
group
Hund's rule
solid
25. 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
chemical property
anion
pure substance
Angular Momentum Quantum Number
26. Not having a uniform composition throughout
heterogeneous
mass number
Heisenberg Uncertainty Principle
electron affinity
27. 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
derived unit
inverse proportion
atomic radius
28. A change in a substance that does not involve a change in the identity of the substance
metalloid
inverse proportion
noble gas configuration
physical change
29. The state of matter in which the substance has a definite volume but an indefinite shape
physical property
liquid
noble gas configuration
periodic law
30. The smallest unit of an element that maintains the properties of that element
atom
heterogeneous
density
plasma
31. Which way it spins. (up or down)
atomic number
atom
isotopes
Spin Quantum Number
32. The p-block elements together with the s-block elements.
main-group elements
reactant
element
nuclide
33. The general term for any isotope of any element
noble gas
nuclide
periodic law
quantity
34. The mass of one mole of a pure substance
molar mass
solid
average atomic mass
main-group elements
35. The smallest unit of an element that maintains the properties of that element
ionization
atom
ground state
electromagnetic spectrum
36. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
mole
pure substance
frequency
37. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
electromagnetic radiation
ionization
electronegativity
molar mass
38. Describes mathematically the wave properties of electrons and other very small particles.
chemical property
Quantum Theory
physical property
Angular Momentum Quantum Number
39. A 3D region around the nucleus that indicates the probable location of an electron.
chemical property
period
orbital
alkali metals
40. A reaction in which one or more substances are converted into different substances
nonmetal
group
volume
chemical reaction
41. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
electronegativity
scientific method
volume
percent error
42. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
family
change of state
Avogadro's number
43. A property that does not depend on the amount of matter present
precision
ionization energy
intensive property
significant figure
44. The amount of space occupied by an object
significant figure
volume
percent error
Heisenberg Uncertainty Principle
45. A high-temperature physical state of matter in which atoms lose their electrons
plasma
ion
extensive property
theory
46. A substance that is made from the atoms of two or more elements that are chemically bonded
direct proportion
derived unit
compound
scientific method
47. The elements of group 17 of the periodic table.
line-emission spectrum
Principle Quantum Number
halogens
mixture
48. The arrangement of electrons in an atom
nuclear force
element
Hund's rule
electron configuration
49. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
molar mass
periodic law
chemistry
orbital
50. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
mass number
theory
heterogeneous