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. An element that has some characteristics of metals and some characteristics of nonmetals
Quantum Numbers
matter
ionization
metalloid
2. The closeness of measurements to the correct or accepted value of the quantity measured
chemistry
cation
homogeneous
accuracy
3. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
electronegativity
precision
direct proportion
family
4. The smallest unit of an element that maintains the properties of that element
wavelength
atom
electron configuration
gas
5. No two electrons in the same atom can have the same set of four quantum numbers
hertz
product
line-emission spectrum
Pauli exclusion principle
6. Distance between corresponding points on adjacent waves.
Angular Momentum Quantum Number
Avogadro's number
nuclear force
wavelength
7. Number of waves that pass a given point in a specific time - usually one second.
frequency
alkali metals
electronegativity
ionization
8. Which way it spins. (up or down)
electron affinity
Spin Quantum Number
density
accuracy
9. The ratio of mass to volume or mass divided by volume
density
electron configuration
photoelectric effect
homogeneous
10. The 14 elements with the atomic numbers 58-71.
Avogadro's number
lanthanide
cation
family
11. Combination of all the forms of electromagnetic radiation.
quantity
nuclide
average atomic mass
electromagnetic spectrum
12. 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
accuracy
gas
law of multiple proportions
physical property
13. Lowest energy state of an atom.
hypothesis
Heisenberg Uncertainty Principle
ground state
theory
14. Something that has magnitude - size - or amount
atomic radius
quantity
accuracy
nuclear force
15. The elements of group 17 of the periodic table.
inverse proportion
halogens
cation
hertz
16. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
mixture
chemical
average atomic mass
17. The total number of protons and neutrons in the nucleus of an isotope
weight
mass number
halogens
scientific notation n where the factor M is a scientific notation
18. 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
derived unit
homogeneous
Hund's rule
law of definite proportions
19. The energy required to remove one electron from a neutral atom of an element.
law of definite proportions
ionization energy
physical property
photoelectric effect
20. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
group
mole
orbital
Quantum Numbers
21. The arrangement of electrons in an atom
electron configuration
chemical property
group
direct proportion
22. A substance that is formed by a chemical change
product
halogens
Quantum Theory
Quantum Numbers
23. An element that is a good conductor of heat and electricity
line-emission spectrum
metal
Quantum Numbers
quantity
24. A measure of the amount of matter
conversion factor
electronegativity
mass
model
25. A vertical column of the periodic table
line-emission spectrum
Hund's rule
extensive property
family
26. A high-temperature physical state of matter in which atoms lose their electrons
cation
metal
law of definite proportions
plasma
27. One wave per second.
liquid
hertz
percent error
significant figure
28. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
homogeneous
photon
chemistry
atomic radius
29. A 3D region around the nucleus that indicates the probable location of an electron.
extensive property
law of conservation of mass
orbital
accuracy
30. The study of the composition - structure - and properties of matter and the changes it undergoes
average atomic mass
chemistry
line-emission spectrum
Magnetic Quantum Number
31. A physical change of a substance from one state to another
main-group elements
change of state
hypothesis
transition metals
32. A measure of the gravitational pull on matter
percent error
weight
scientific notation n where the factor M is a scientific notation
ionization
33. 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
extensive property
continuous spectrum
conversion factor
pure substance
34. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
chemical property
continuous spectrum
transition metals
line-emission spectrum
35. The state of matter in which a substance has neither definite volume nor definite shape
gas
atomic radius
orbital
system
36. The mass of one mole of a pure substance
molar mass
Angular Momentum Quantum Number
electron configuration
law of multiple proportions
37. The closeness of a set of measurements of the same quantity made in the same way
precision
physical property
mass number
alkaline-earth metals
38. Minimum quantity of energy that can be lost or gained by an atom.
precision
halogens
line-emission spectrum
quantum
39. The p-block elements together with the s-block elements.
Quantum Numbers
chemistry
main-group elements
group
40. A testable statement
nuclide
law of definite proportions
continuous spectrum
hypothesis
41. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Heisenberg Uncertainty Principle
scientific notation n where the factor M is a scientific notation
law of conservation of mass
scientific method
42. The suborbitals of an atom. (S - P - D - F)
electron configuration
Angular Momentum Quantum Number
mass
continuous spectrum
43. A positive ion.
cation
plasma
alkali metals
ground state
44. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
isotopes
change of state
electron affinity
atomic mass unit
45. Which suborbital. (Py - Px - Pz)
SI (Le Système International d'Unités
heterogeneous
Magnetic Quantum Number
periodic table
46. The amount of space occupied by an object
pure substance
nuclear force
volume
chemical reaction
47. A horizontal row of elements in the periodic table
period
molar mass
ion
wavelength
48. A change in a substance that does not involve a change in the identity of the substance
product
Heisenberg Uncertainty Principle
physical change
wavelength
49. The total amount of energy level an atom has.
Principle Quantum Number
ionization energy
percent error
electron affinity
50. A reaction in which one or more substances are converted into different substances
Angular Momentum Quantum Number
mixture
chemical reaction
Quantum Theory