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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. An explanation of how phenomena occur and how data or events are related
plasma
model
atomic number
extensive property
2. The measurement system accepted worldwide
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3. A substance that reacts in a chemical change
reactant
Angular Momentum Quantum Number
direct proportion
physical change
4. Atoms of the same element that have different masses
Spin Quantum Number
isotopes
scientific notation n where the factor M is a scientific notation
physical change
5. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
actinide
metal
atomic mass unit
derived unit
6. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
volume
line-emission spectrum
chemistry
system
7. A pure substance made of only one kind of atom
hypothesis
noble gas configuration
density
element
8. The general term for any isotope of any element
homogeneous
nuclide
hypothesis
chemical reaction
9. Any substance that has a definite composition
atomic number
chemical
Principle Quantum Number
mixture
10. A vertical column of the periodic table
metal
Quantum Theory
Aufaub principle
family
11. The mass of one mole of a pure substance
Hund's rule
molar mass
chemical
matter
12. The 14 elements with the atomic numbers 58-71.
anion
SI (Le Système International d'Unités
lanthanide
electronegativity
13. The d-block elements are metals with typical metallic properties.
Avogadro's number
transition metals
direct proportion
atom
14. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
electronegativity
conversion factor
heterogeneous
nuclide
15. 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
atomic mass unit
line-emission spectrum
pure substance
alkali metals
16. A property that does not depend on the amount of matter present
inverse proportion
hypothesis
Principle Quantum Number
intensive property
17. A reaction in which one or more substances are converted into different substances
compound
theory
chemical reaction
scientific notation n where the factor M is a scientific notation
18. The arrangement of electrons in an atom
weight
electron configuration
quantity
molar mass
19. A testable statement
Heisenberg Uncertainty Principle
derived unit
hypothesis
Hund's rule
20. Mass is neither created nor destroyed duringordinary chemical or physical reactions
excited state
ground state
photon
law of conservation of mass
21. A substance that is formed by a chemical change
photoelectric effect
chemical change
product
matter
22. A substance that is made from the atoms of two or more elements that are chemically bonded
product
compound
noble gas configuration
heterogeneous
23. Not having a uniform composition throughout
Avogadro's number
conversion factor
electromagnetic spectrum
heterogeneous
24. The 14 elements with the atomic numbers 90-103.
isotopes
actinide
alkali metals
chemical change
25. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
transition metals
periodic law
system
photoelectric effect
26. The smallest unit of an element that maintains the properties of that element
pure substance
liquid
mass
atom
27. A change in a substance that does not involve a change in the identity of the substance
mass
quantum
physical change
Quantum Numbers
28. Number of waves that pass a given point in a specific time - usually one second.
Avogadro's number
weight
frequency
electronegativity
29. An electron occupies the lowest-energy orbital that can receive it
quantum
Aufaub principle
electron affinity
inverse proportion
30. A high-temperature physical state of matter in which atoms lose their electrons
chemical
plasma
excited state
density
31. The elements of group 2 of the periodic table.
plasma
alkaline-earth metals
mixture
photoelectric effect
32. An element that is a poor conductor of heat and electricity
Pauli exclusion principle
nonmetal
physical property
electron affinity
33. Any process that results in the formation of an ion.
law of conservation of mass
mixture
ionization
atom
34. The study of the composition - structure - and properties of matter and the changes it undergoes
theory
chemistry
Heisenberg Uncertainty Principle
solid
35. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
halogens
Spin Quantum Number
electromagnetic radiation
excited state
36. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
Heisenberg Uncertainty Principle
noble gas configuration
electron configuration
scientific method
37. Having a uniform composition throughout
chemical
lanthanide
Magnetic Quantum Number
homogeneous
38. A positive ion.
law of multiple proportions
significant figure
cation
system
39. The total number of protons and neutrons in the nucleus of an isotope
significant figure
anion
mass number
product
40. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
Principle Quantum Number
group
matter
41. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
mole
photon
lanthanide
atom
42. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
solid
volume
scientific notation n where the factor M is a scientific notation
law of multiple proportions
43. The emission of a continuous range of frequencies of electromagnetic radiation.
frequency
continuous spectrum
electromagnetic spectrum
chemical
44. A characteristic that can be observed or measured without changing the identity of the substance
Avogadro's number
physical property
density
mole
45. The state of matter in which a substance has neither definite volume nor definite shape
accuracy
density
gas
chemical change
46. A measure of the gravitational pull on matter
electromagnetic radiation
weight
electron configuration
scientific notation n where the factor M is a scientific notation
47. The total amount of energy level an atom has.
Spin Quantum Number
Aufaub principle
frequency
Principle Quantum Number
48. State in which an atom has a higher potential energy than it has in it's ground state.
law of conservation of mass
excited state
system
ground state
49. An element that has some characteristics of metals and some characteristics of nonmetals
ion
valence electrons
metal
metalloid
50. A unit that is a combination of SI base units
ionization energy
derived unit
metalloid
Principle Quantum Number