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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 measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electron affinity
electronegativity
line-emission spectrum
atomic radius
2. The general term for any isotope of any element
period
element
nuclide
scientific notation n where the factor M is a scientific notation
3. A 3D region around the nucleus that indicates the probable location of an electron.
electronegativity
noble gas
law of multiple proportions
orbital
4. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
ground state
mole
electromagnetic radiation
electron affinity
5. A high-temperature physical state of matter in which atoms lose their electrons
chemical property
lanthanide
plasma
compound
6. An element that is a good conductor of heat and electricity
precision
family
metalloid
metal
7. The total number of protons and neutrons in the nucleus of an isotope
mass number
Aufaub principle
photoelectric effect
derived unit
8. A substance that reacts in a chemical change
ion
hypothesis
Aufaub principle
reactant
9. The energy change that occurs when an electron is acquired by a neutral atom.
electron affinity
liquid
scientific method
Angular Momentum Quantum Number
10. Any substance that has a definite composition
chemical
Quantum Numbers
period
wavelength
11. A change in which one or more substances are converted into different substances
ion
chemical change
electromagnetic spectrum
transition metals
12. The emission of a continuous range of frequencies of electromagnetic radiation.
excited state
atom
electromagnetic radiation
continuous spectrum
13. A substance that is formed by a chemical change
reactant
electronegativity
Quantum Theory
product
14. The smallest unit of an element that maintains the properties of that element
model
atom
mole
pure substance
15. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Magnetic Quantum Number
Quantum Numbers
Heisenberg Uncertainty Principle
alkaline-earth metals
16. Anything that has mass and takes up space
matter
atomic number
chemical
ion
17. A change in a substance that does not involve a change in the identity of the substance
transition metals
isotopes
density
physical change
18. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
atomic mass unit
lanthanide
quantum
19. Mass is neither created nor destroyed duringordinary chemical or physical reactions
hertz
law of conservation of mass
reactant
Aufaub principle
20. Which way it spins. (up or down)
group
atomic radius
isotopes
Spin Quantum Number
21. A blend of two or more kinds of matter - each of which retains its own identity and properties
nuclide
mixture
family
scientific notation n where the factor M is a scientific notation
22. The measurement system accepted worldwide
23. An element that is a poor conductor of heat and electricity
atom
isotopes
solid
nonmetal
24. No two electrons in the same atom can have the same set of four quantum numbers
atom
Pauli exclusion principle
solid
homogeneous
25. A testable statement
chemical
actinide
hypothesis
matter
26. Lowest energy state of an atom.
chemical
mixture
ground state
scientific method
27. The state of matter in which a substance has neither definite volume nor definite shape
gas
SI (Le Système International d'Unités
photon
actinide
28. The ability of a substance to undergo a change that transforms it into a different substance
periodic table
atomic number
chemical property
liquid
29. The elements of group 2 of the periodic table.
accuracy
alkaline-earth metals
physical property
orbital
30. A property that does not depend on the amount of matter present
product
intensive property
Avogadro's number
theory
31. The closeness of measurements to the correct or accepted value of the quantity measured
scientific method
volume
accuracy
pure substance
32. Atoms of the same element that have different masses
chemical change
isotopes
liquid
mixture
33. Describes mathematically the wave properties of electrons and other very small particles.
solid
inverse proportion
conversion factor
Quantum Theory
34. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
anion
system
conversion factor
group
35. Number of waves that pass a given point in a specific time - usually one second.
frequency
SI (Le Système International d'Unités
inverse proportion
atomic mass unit
36. A horizontal row of elements in the periodic table
period
law of definite proportions
Principle Quantum Number
pure substance
37. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
Quantum Theory
Aufaub principle
element
38. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
accuracy
chemical
compound
39. The d-block elements are metals with typical metallic properties.
plasma
transition metals
period
ion
40. A pure substance made of only one kind of atom
Angular Momentum Quantum Number
lanthanide
Pauli exclusion principle
element
41. The ratio of mass to volume or mass divided by volume
noble gas configuration
main-group elements
line-emission spectrum
density
42. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
metalloid
valence electrons
accuracy
family
43. Two quantities that give a constant value when one is divided by the other
compound
excited state
direct proportion
physical change
44. An explanation of how phenomena occur and how data or events are related
derived unit
periodic law
model
accuracy
45. The number of protons in the nucleus of each atom of an element
isotopes
wavelength
chemical property
atomic number
46. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
molar mass
direct proportion
Heisenberg Uncertainty Principle
47. State in which an atom has a higher potential energy than it has in it's ground state.
Quantum Theory
excited state
physical change
direct proportion
48. A positive ion.
cation
compound
chemical change
atom
49. The study of the composition - structure - and properties of matter and the changes it undergoes
matter
ion
actinide
chemistry
50. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
Spin Quantum Number
electron affinity
mole
accuracy