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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 weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
heterogeneous
Hund's rule
mixture
2. Anything that has mass and takes up space
atomic number
orbital
matter
molar mass
3. The total amount of energy level an atom has.
ion
Principle Quantum Number
main-group elements
isotopes
4. The 14 elements with the atomic numbers 58-71.
lanthanide
metalloid
nuclide
conversion factor
5. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
scientific method
inverse proportion
nuclear force
percent error
6. 1/2 the distance between the nuclei of identical atoms that are bonded together.
quantity
periodic table
atomic radius
wavelength
7. The smallest unit of an element that maintains the properties of that element
atom
intensive property
alkaline-earth metals
frequency
8. The closeness of a set of measurements of the same quantity made in the same way
valence electrons
precision
solid
lanthanide
9. The measurement system accepted worldwide
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10. The emission of a continuous range of frequencies of electromagnetic radiation.
orbital
Quantum Numbers
atomic number
continuous spectrum
11. A vertical column of the periodic table
extensive property
family
physical property
SI (Le Système International d'Unités
12. An element that has some characteristics of metals and some characteristics of nonmetals
mole
actinide
metalloid
Spin Quantum Number
13. 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
alkaline-earth metals
law of definite proportions
Heisenberg Uncertainty Principle
isotopes
14. The elements of group 2 of the periodic table.
Spin Quantum Number
alkaline-earth metals
electromagnetic radiation
chemical property
15. The arrangement of electrons in an atom
law of conservation of mass
electron configuration
Hund's rule
matter
16. No two electrons in the same atom can have the same set of four quantum numbers
ionization
gas
chemical property
Pauli exclusion principle
17. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
model
ion
Aufaub principle
18. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
nuclear force
mole
change of state
noble gas configuration
19. The elements of group 17 of the periodic table.
density
molar mass
noble gas configuration
halogens
20. The energy required to remove one electron from a neutral atom of an element.
solid
photon
ion
ionization energy
21. Atoms of the same element that have different masses
excited state
chemistry
isotopes
nonmetal
22. A substance that is formed by a chemical change
noble gas
matter
product
Heisenberg Uncertainty Principle
23. Lowest energy state of an atom.
ground state
Quantum Numbers
hypothesis
periodic table
24. The 14 elements with the atomic numbers 90-103.
electromagnetic radiation
accuracy
actinide
electron configuration
25. A change in which one or more substances are converted into different substances
theory
chemical change
homogeneous
atomic radius
26. A substance that is made from the atoms of two or more elements that are chemically bonded
nonmetal
model
compound
precision
27. A broad generalization that explains a body of facts or phenomena
Quantum Numbers
mass
theory
orbital
28. Any substance that has a definite composition
chemical
law of definite proportions
accuracy
product
29. The mass of one mole of a pure substance
molar mass
Aufaub principle
Principle Quantum Number
Heisenberg Uncertainty Principle
30. The p-block elements together with the s-block elements.
electron configuration
nuclear force
solid
main-group elements
31. The elements of group 1 of the periodic table.
alkali metals
mole
physical change
atomic number
32. A negative ion.
valence electrons
anion
nuclide
continuous spectrum
33. Emission of electrons from a metal when light shines on a metal.
wavelength
nuclear force
photoelectric effect
heterogeneous
34. Combination of all the forms of electromagnetic radiation.
alkali metals
Pauli exclusion principle
law of conservation of mass
electromagnetic spectrum
35. A measure of the gravitational pull on matter
actinide
excited state
weight
law of definite proportions
36. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
period
volume
Heisenberg Uncertainty Principle
nuclide
37. Which suborbital. (Py - Px - Pz)
scientific notation n where the factor M is a scientific notation
Magnetic Quantum Number
photon
chemical reaction
38. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
periodic law
system
Hund's rule
atom
39. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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40. The state of matter in which the substance has a definite volume but an indefinite shape
liquid
group
mixture
Heisenberg Uncertainty Principle
41. A horizontal row of elements in the periodic table
nuclear force
Quantum Numbers
period
chemical property
42. A reaction in which one or more substances are converted into different substances
liquid
electron configuration
Pauli exclusion principle
chemical reaction
43. The ability of a substance to undergo a change that transforms it into a different substance
chemistry
group
chemical property
chemical
44. A measure of the amount of matter
mass number
mass
heterogeneous
volume
45. A characteristic that can be observed or measured without changing the identity of the substance
physical property
law of conservation of mass
electromagnetic spectrum
matter
46. The suborbitals of an atom. (S - P - D - F)
Hund's rule
law of definite proportions
Angular Momentum Quantum Number
percent error
47. The amount of space occupied by an object
main-group elements
compound
derived unit
volume
48. Two quantities that give a constant value when one is divided by the other
photon
Aufaub principle
direct proportion
change of state
49. State in which an atom has a higher potential energy than it has in it's ground state.
chemical reaction
Avogadro's number
excited state
continuous spectrum
50. A physical change of a substance from one state to another
electron configuration
mixture
wavelength
change of state