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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. Minimum quantity of energy that can be lost or gained by an atom.
density
compound
law of multiple proportions
quantum
2. Mass is neither created nor destroyed duringordinary chemical or physical reactions
metal
law of conservation of mass
Magnetic Quantum Number
matter
3. A substance that reacts in a chemical change
reactant
system
atomic radius
mixture
4. The ratio of mass to volume or mass divided by volume
alkaline-earth metals
metalloid
density
actinide
5. A change in which one or more substances are converted into different substances
chemical change
nuclear force
noble gas
molar mass
6. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
accuracy
Hund's rule
product
mole
7. Something that has magnitude - size - or amount
quantity
density
Spin Quantum Number
extensive property
8. Which way it spins. (up or down)
percent error
chemical change
transition metals
Spin Quantum Number
9. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
weight
wavelength
significant figure
liquid
10. A vertical column of the periodic table
metalloid
family
Principle Quantum Number
electron configuration
11. The amount of space occupied by an object
chemical change
pure substance
volume
scientific notation n where the factor M is a scientific notation
12. The 14 elements with the atomic numbers 58-71.
gas
physical property
mass number
lanthanide
13. 1/2 the distance between the nuclei of identical atoms that are bonded together.
hypothesis
photon
atomic radius
metalloid
14. 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.
15. 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.
noble gas configuration
periodic table
electron configuration
electronegativity
16. The ability of a substance to undergo a change that transforms it into a different substance
Pauli exclusion principle
periodic law
reactant
chemical property
17. Atoms of the same element that have different masses
isotopes
physical property
atomic mass unit
ground state
18. The mass of one mole of a pure substance
mixture
molar mass
derived unit
cation
19. No two electrons in the same atom can have the same set of four quantum numbers
Pauli exclusion principle
mole
orbital
ion
20. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
noble gas
wavelength
change of state
extensive property
21. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
Spin Quantum Number
nuclear force
periodic law
intensive property
22. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
valence electrons
transition metals
photon
conversion factor
23. The state of matter in which a substance has neither definite volume nor definite shape
period
valence electrons
SI (Le Système International d'Unités
gas
24. An electron occupies the lowest-energy orbital that can receive it
lanthanide
Aufaub principle
theory
system
25. The 14 elements with the atomic numbers 90-103.
percent error
noble gas
chemical
actinide
26. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
27. A blend of two or more kinds of matter - each of which retains its own identity and properties
mixture
valence electrons
chemistry
derived unit
28. The state of matter in which the substance has a definite volume but an indefinite shape
plasma
liquid
heterogeneous
Quantum Theory
29. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
average atomic mass
chemical reaction
Spin Quantum Number
30. The closeness of a set of measurements of the same quantity made in the same way
cation
precision
mole
liquid
31. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
cation
Pauli exclusion principle
Heisenberg Uncertainty Principle
atom
32. The suborbitals of an atom. (S - P - D - F)
liquid
molar mass
Angular Momentum Quantum Number
cation
33. The arrangement of electrons in an atom
electron configuration
Quantum Numbers
metalloid
group
34. Any process that results in the formation of an ion.
ionization
product
atom
solid
35. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
Heisenberg Uncertainty Principle
average atomic mass
electronegativity
periodic law
36. An atom or group of bonded atoms that has a positive or negative charge.
hypothesis
ion
pure substance
matter
37. Any substance that has a definite composition
chemical
plasma
anion
Quantum Numbers
38. Anything that has mass and takes up space
SI (Le Système International d'Unités
scientific method
matter
scientific notation n where the factor M is a scientific notation
39. A negative ion.
metal
weight
anion
quantity
40. A substance that is made from the atoms of two or more elements that are chemically bonded
atom
compound
weight
volume
41. Which suborbital. (Py - Px - Pz)
period
direct proportion
Magnetic Quantum Number
ionization energy
42. One wave per second.
main-group elements
Aufaub principle
atomic radius
hertz
43. A measure of the amount of matter
product
mass
scientific method
matter
44. The study of the composition - structure - and properties of matter and the changes it undergoes
system
chemistry
accuracy
molar mass
45. An element that is a poor conductor of heat and electricity
reactant
periodic table
nonmetal
gas
46. A measure of the gravitational pull on matter
weight
atomic mass unit
significant figure
continuous spectrum
47. A horizontal row of elements in the periodic table
period
lanthanide
ion
ground state
48. The emission of a continuous range of frequencies of electromagnetic radiation.
ionization
homogeneous
continuous spectrum
physical property
49. The state of matter in which the substance has definite volume and definite shape
solid
atomic mass unit
electronegativity
pure substance
50. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
mixture
change of state
scientific method