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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 arrangement of electrons in an atom
metalloid
Aufaub principle
electron configuration
Hund's rule
2. A measure of the gravitational pull on matter
alkaline-earth metals
Spin Quantum Number
accuracy
weight
3. The suborbitals of an atom. (S - P - D - F)
Angular Momentum Quantum Number
Hund's rule
law of conservation of mass
line-emission spectrum
4. Mass is neither created nor destroyed duringordinary chemical or physical reactions
electromagnetic spectrum
Principle Quantum Number
ionization
law of conservation of mass
5. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
orbital
periodic table
liquid
periodic law
6. An element that is a poor conductor of heat and electricity
ionization
nuclear force
physical change
nonmetal
7. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
volume
alkaline-earth metals
intensive property
mole
8. The energy required to remove one electron from a neutral atom of an element.
matter
liquid
atom
ionization energy
9. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
main-group elements
atom
scientific notation n where the factor M is a scientific notation
inverse proportion
10. The ability of a substance to undergo a change that transforms it into a different substance
hypothesis
volume
heterogeneous
chemical property
11. The smallest unit of an element that maintains the properties of that element
electromagnetic radiation
excited state
quantity
atom
12. 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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13. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
excited state
electronegativity
isotopes
Spin Quantum Number
14. A substance that is made from the atoms of two or more elements that are chemically bonded
plasma
compound
precision
orbital
15. A change in a substance that does not involve a change in the identity of the substance
actinide
physical change
hertz
nuclear force
16. Which suborbital. (Py - Px - Pz)
family
weight
hertz
Magnetic Quantum Number
17. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
SI (Le Système International d'Unités
ionization energy
periodic law
18. A high-temperature physical state of matter in which atoms lose their electrons
homogeneous
gas
photon
plasma
19. Two quantities that have a constant mathematical product
inverse proportion
Spin Quantum Number
nuclide
law of multiple proportions
20. Lowest energy state of an atom.
wavelength
chemical
compound
ground state
21. Any process that results in the formation of an ion.
noble gas configuration
ionization
change of state
Magnetic Quantum Number
22. A physical change of a substance from one state to another
change of state
noble gas
actinide
periodic table
23. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
chemistry
line-emission spectrum
chemical property
lanthanide
24. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
inverse proportion
lanthanide
molar mass
25. A positive ion.
cation
ground state
halogens
compound
26. The d-block elements are metals with typical metallic properties.
ion
ionization energy
electromagnetic radiation
transition metals
27. No two electrons in the same atom can have the same set of four quantum numbers
cation
system
Spin Quantum Number
Pauli exclusion principle
28. The elements of group 17 of the periodic table.
reactant
change of state
halogens
atom
29. Combination of all the forms of electromagnetic radiation.
matter
electromagnetic spectrum
chemical
Aufaub principle
30. The study of the composition - structure - and properties of matter and the changes it undergoes
halogens
chemistry
theory
intensive property
31. An explanation of how phenomena occur and how data or events are related
plasma
model
mass number
theory
32. The emission of a continuous range of frequencies of electromagnetic radiation.
change of state
continuous spectrum
extensive property
average atomic mass
33. A negative ion.
electromagnetic radiation
cation
anion
system
34. A vertical column of the periodic table
volume
mass
continuous spectrum
family
35. A property that depends on the amount of matter that is present
solid
electron configuration
Avogadro's number
extensive property
36. 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
law of definite proportions
density
matter
37. 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
pure substance
cation
physical property
period
38. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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39. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
ionization
product
system
heterogeneous
40. The measurement system accepted worldwide
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41. A property that does not depend on the amount of matter present
intensive property
atomic mass unit
electronegativity
law of multiple proportions
42. The closeness of a set of measurements of the same quantity made in the same way
electronegativity
density
precision
element
43. A unit that is a combination of SI base units
matter
scientific notation n where the factor M is a scientific notation
derived unit
Heisenberg Uncertainty Principle
44. The number of protons in the nucleus of each atom of an element
nuclide
atom
continuous spectrum
atomic number
45. The 14 elements with the atomic numbers 90-103.
law of conservation of mass
hypothesis
Heisenberg Uncertainty Principle
actinide
46. Atoms of the same element that have different masses
system
isotopes
alkali metals
valence electrons
47. The state of matter in which the substance has definite volume and definite shape
alkaline-earth metals
Quantum Numbers
solid
noble gas configuration
48. A 3D region around the nucleus that indicates the probable location of an electron.
chemical
group
law of conservation of mass
orbital
49. An element that has some characteristics of metals and some characteristics of nonmetals
Pauli exclusion principle
metalloid
family
heterogeneous
50. The amount of space occupied by an object
electromagnetic radiation
volume
law of multiple proportions
system