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Test your basic knowledge |
Pre - AP Chemistry
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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. Having a uniform composition throughout
nonmetal
electromagnetic spectrum
reactant
homogeneous
2. Emission of electrons from a metal when light shines on a metal.
photoelectric effect
SI (Le Système International d'Unités
Spin Quantum Number
element
3. The ratio of mass to volume or mass divided by volume
halogens
change of state
product
density
4. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
atom
chemical property
law of conservation of mass
5. A horizontal row of elements in the periodic table
change of state
Quantum Theory
period
electron affinity
6. The general term for any isotope of any element
precision
nuclide
alkaline-earth metals
compound
7. The smallest unit of an element that maintains the properties of that element
atom
significant figure
gas
quantity
8. A change in which one or more substances are converted into different substances
physical property
Spin Quantum Number
accuracy
chemical change
9. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
nonmetal
atomic number
electronegativity
group
10. Two quantities that give a constant value when one is divided by the other
molar mass
scientific method
valence electrons
direct proportion
11. Not having a uniform composition throughout
alkaline-earth metals
heterogeneous
weight
SI (Le Système International d'Unités
12. The mass of one mole of a pure substance
molar mass
ionization
plasma
chemical reaction
13. No two electrons in the same atom can have the same set of four quantum numbers
physical change
noble gas
average atomic mass
Pauli exclusion principle
14. A pure substance made of only one kind of atom
weight
wavelength
theory
element
15. A positive ion.
atom
electron configuration
SI (Le Système International d'Unités
cation
16. A substance that is made from the atoms of two or more elements that are chemically bonded
compound
reactant
element
density
17. 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
law of conservation of mass
excited state
law of multiple proportions
atom
18. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
electron affinity
solid
atomic mass unit
metalloid
19. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
group
mass
cation
20. A property that depends on the amount of matter that is present
extensive property
solid
quantity
percent error
21. The energy change that occurs when an electron is acquired by a neutral atom.
electron configuration
group
molar mass
electron affinity
22. The d-block elements are metals with typical metallic properties.
electromagnetic radiation
product
transition metals
Spin Quantum Number
23. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
mole
anion
density
scientific notation n where the factor M is a scientific notation
24. 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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25. The elements of group 1 of the periodic table.
alkali metals
matter
chemistry
atomic radius
26. A characteristic that can be observed or measured without changing the identity of the substance
physical property
significant figure
ionization
isotopes
27. A reaction in which one or more substances are converted into different substances
periodic law
wavelength
chemical reaction
continuous spectrum
28. An atom or group of bonded atoms that has a positive or negative charge.
ion
isotopes
hertz
direct proportion
29. A broad generalization that explains a body of facts or phenomena
actinide
theory
chemical reaction
atomic radius
30. Which suborbital. (Py - Px - Pz)
valence electrons
Magnetic Quantum Number
average atomic mass
precision
31. The energy required to remove one electron from a neutral atom of an element.
atomic mass unit
ionization energy
solid
molar mass
32. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
theory
mass
scientific method
33. Describes mathematically the wave properties of electrons and other very small particles.
Quantum Theory
Principle Quantum Number
ionization
volume
34. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
change of state
periodic law
element
matter
35. The measurement system accepted worldwide
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36. An element that is a good conductor of heat and electricity
law of conservation of mass
Quantum Theory
metal
continuous spectrum
37. The arrangement of electrons in an atom
mass
chemical property
nuclide
electron configuration
38. Minimum quantity of energy that can be lost or gained by an atom.
ionization energy
Principle Quantum Number
quantum
accuracy
39. A blend of two or more kinds of matter - each of which retains its own identity and properties
electronegativity
mixture
Principle Quantum Number
Heisenberg Uncertainty Principle
40. A substance that is formed by a chemical change
product
photon
theory
atom
41. The 14 elements with the atomic numbers 58-71.
cation
theory
periodic table
lanthanide
42. Anything that has mass and takes up space
theory
photoelectric effect
matter
mass
43. Any process that results in the formation of an ion.
mass
hertz
actinide
ionization
44. An element that is a poor conductor of heat and electricity
frequency
nonmetal
periodic table
wavelength
45. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
mole
reactant
mass number
46. Which way it spins. (up or down)
Spin Quantum Number
law of conservation of mass
mixture
mass number
47. The state of matter in which a substance has neither definite volume nor definite shape
metalloid
group
gas
derived unit
48. 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.
quantity
alkaline-earth metals
periodic table
extensive property
49. An element that has some characteristics of metals and some characteristics of nonmetals
Avogadro's number
intensive property
metalloid
hertz
50. The 14 elements with the atomic numbers 90-103.
anion
Heisenberg Uncertainty Principle
Quantum Numbers
actinide
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