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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. Not having a uniform composition throughout
wavelength
pure substance
heterogeneous
transition metals
2. The p-block elements together with the s-block elements.
physical property
main-group elements
isotopes
hypothesis
3. Which way it spins. (up or down)
molar mass
lanthanide
Spin Quantum Number
plasma
4. The measurement system accepted worldwide
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5. A property that does not depend on the amount of matter present
quantity
intensive property
theory
halogens
6. An element that is a poor conductor of heat and electricity
nonmetal
valence electrons
quantity
frequency
7. The closeness of a set of measurements of the same quantity made in the same way
intensive property
change of state
electronegativity
precision
8. An element that is a good conductor of heat and electricity
atom
intensive property
period
metal
9. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
volume
atomic number
Heisenberg Uncertainty Principle
law of multiple proportions
10. A substance that reacts in a chemical change
compound
isotopes
reactant
cation
11. Any substance that has a definite composition
chemical
alkaline-earth metals
law of conservation of mass
weight
12. The general term for any isotope of any element
nuclide
electromagnetic spectrum
Spin Quantum Number
law of conservation of mass
13. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
solid
Spin Quantum Number
precision
significant figure
14. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
Spin Quantum Number
electronegativity
ion
chemical change
15. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
mass number
weight
product
atomic mass unit
16. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
pure substance
scientific method
accuracy
average atomic mass
17. A change in which one or more substances are converted into different substances
transition metals
atomic mass unit
mixture
chemical change
18. A characteristic that can be observed or measured without changing the identity of the substance
molar mass
significant figure
physical change
physical property
19. An outer main energy level occupied - in most cases - by 8 electrons
atom
law of multiple proportions
transition metals
noble gas configuration
20. Having a uniform composition throughout
group
direct proportion
accuracy
homogeneous
21. One wave per second.
hertz
photoelectric effect
noble gas
orbital
22. A substance that is made from the atoms of two or more elements that are chemically bonded
gas
SI (Le Système International d'Unités
compound
homogeneous
23. Two quantities that have a constant mathematical product
inverse proportion
main-group elements
electromagnetic radiation
period
24. Emission of electrons from a metal when light shines on a metal.
photoelectric effect
significant figure
density
period
25. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
Heisenberg Uncertainty Principle
mole
cation
atom
26. A negative ion.
molar mass
Heisenberg Uncertainty Principle
anion
chemical change
27. The d-block elements are metals with typical metallic properties.
transition metals
ionization
law of definite proportions
noble gas configuration
28. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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29. A pure substance made of only one kind of atom
electron configuration
electron affinity
element
mole
30. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
direct proportion
mixture
continuous spectrum
31. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
volume
precision
law of definite proportions
32. Distance between corresponding points on adjacent waves.
volume
atomic mass unit
ionization energy
wavelength
33. The state of matter in which a substance has neither definite volume nor definite shape
photoelectric effect
quantity
gas
Pauli exclusion principle
34. The energy change that occurs when an electron is acquired by a neutral atom.
hertz
weight
electron affinity
Hund's rule
35. 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
conversion factor
Quantum Theory
derived unit
law of definite proportions
36. A measure of the amount of matter
element
mass
isotopes
actinide
37. The elements of group 17 of the periodic table.
Magnetic Quantum Number
electron affinity
halogens
lanthanide
38. The total amount of energy level an atom has.
SI (Le Système International d'Unités
Principle Quantum Number
main-group elements
heterogeneous
39. The state of matter in which the substance has definite volume and definite shape
model
density
anion
solid
40. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
electromagnetic radiation
ionization energy
atom
Quantum Numbers
41. An atom or group of bonded atoms that has a positive or negative charge.
Quantum Numbers
ion
physical change
Quantum Theory
42. 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.
scientific notation n where the factor M is a scientific notation
volume
Pauli exclusion principle
periodic table
43. No two electrons in the same atom can have the same set of four quantum numbers
SI (Le Système International d'Unités
plasma
quantity
Pauli exclusion principle
44. The smallest unit of an element that maintains the properties of that element
extensive property
mass
atom
photoelectric effect
45. The energy required to remove one electron from a neutral atom of an element.
law of multiple proportions
ionization energy
Magnetic Quantum Number
Spin Quantum Number
46. An electron occupies the lowest-energy orbital that can receive it
chemistry
halogens
Aufaub principle
wavelength
47. Which suborbital. (Py - Px - Pz)
element
scientific method
wavelength
Magnetic Quantum Number
48. The mass of one mole of a pure substance
nuclear force
family
molar mass
product
49. A positive ion.
photon
actinide
molar mass
cation
50. A broad generalization that explains a body of facts or phenomena
atomic number
liquid
reactant
theory