SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
mixture
atomic number
percent error
conversion factor
2. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Principle Quantum Number
Heisenberg Uncertainty Principle
cation
gas
3. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
percent error
average atomic mass
alkaline-earth metals
atomic mass unit
4. A positive ion.
orbital
ion
periodic table
cation
5. Distance between corresponding points on adjacent waves.
periodic table
frequency
wavelength
chemical reaction
6. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
7. A physical change of a substance from one state to another
change of state
nonmetal
metalloid
compound
8. 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
molar mass
wavelength
pure substance
transition metals
9. A property that depends on the amount of matter that is present
extensive property
physical change
electron affinity
element
10. The p-block elements together with the s-block elements.
nuclide
main-group elements
isotopes
change of state
11. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
accuracy
matter
transition metals
12. The total amount of energy level an atom has.
Hund's rule
Principle Quantum Number
group
extensive property
13. An explanation of how phenomena occur and how data or events are related
SI (Le Système International d'Unités
model
alkali metals
Avogadro's number
14. 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
Quantum Theory
law of definite proportions
electronegativity
scientific notation n where the factor M is a scientific notation
15. Not having a uniform composition throughout
change of state
main-group elements
chemical reaction
heterogeneous
16. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
excited state
electromagnetic radiation
atomic radius
photon
17. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
atom
main-group elements
SI (Le Système International d'Unités
mole
18. The 14 elements with the atomic numbers 90-103.
wavelength
actinide
metal
system
19. A vertical column of the periodic table
volume
family
direct proportion
product
20. The suborbitals of an atom. (S - P - D - F)
mass
photon
compound
Angular Momentum Quantum Number
21. Number of waves that pass a given point in a specific time - usually one second.
orbital
main-group elements
frequency
lanthanide
22. 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.
electronegativity
periodic table
conversion factor
molar mass
23. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
average atomic mass
metal
Aufaub principle
metalloid
24. State in which an atom has a higher potential energy than it has in it's ground state.
Avogadro's number
main-group elements
excited state
law of multiple proportions
25. An element that has some characteristics of metals and some characteristics of nonmetals
chemical property
metalloid
main-group elements
Avogadro's number
26. The smallest unit of an element that maintains the properties of that element
density
percent error
atom
compound
27. The closeness of measurements to the correct or accepted value of the quantity measured
Avogadro's number
isotopes
orbital
accuracy
28. Any process that results in the formation of an ion.
nuclear force
ionization
significant figure
extensive property
29. A high-temperature physical state of matter in which atoms lose their electrons
excited state
plasma
alkaline-earth metals
ionization
30. Mass is neither created nor destroyed duringordinary chemical or physical reactions
derived unit
law of conservation of mass
precision
mole
31. The number of protons in the nucleus of each atom of an element
photon
ion
mass number
atomic number
32. A unit that is a combination of SI base units
derived unit
molar mass
law of definite proportions
reactant
33. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
noble gas
theory
plasma
electron configuration
34. The energy change that occurs when an electron is acquired by a neutral atom.
electron affinity
orbital
accuracy
excited state
35. A blend of two or more kinds of matter - each of which retains its own identity and properties
photon
continuous spectrum
electromagnetic spectrum
mixture
36. The smallest unit of an element that maintains the properties of that element
atom
mass number
mass
ionization energy
37. A reaction in which one or more substances are converted into different substances
halogens
chemical reaction
frequency
transition metals
38. A negative ion.
density
chemistry
model
anion
39. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
Hund's rule
volume
actinide
electronegativity
40. A pure substance made of only one kind of atom
quantum
element
reactant
atom
41. A substance that reacts in a chemical change
line-emission spectrum
conversion factor
reactant
electron affinity
42. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
weight
pure substance
direct proportion
43. A characteristic that can be observed or measured without changing the identity of the substance
main-group elements
Aufaub principle
atomic mass unit
physical property
44. Something that has magnitude - size - or amount
quantity
accuracy
electronegativity
extensive property
45. The closeness of a set of measurements of the same quantity made in the same way
ionization energy
hypothesis
precision
homogeneous
46. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
orbital
atomic radius
frequency
system
47. Which suborbital. (Py - Px - Pz)
periodic table
period
mixture
Magnetic Quantum Number
48. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
metal
law of definite proportions
Quantum Numbers
SI (Le Système International d'Unités
49. The total number of protons and neutrons in the nucleus of an isotope
cation
mass number
noble gas configuration
orbital
50. A horizontal row of elements in the periodic table
period
transition metals
electromagnetic radiation
solid