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. Minimum quantity of energy that can be lost or gained by an atom.
family
isotopes
liquid
quantum
2. A substance that is made from the atoms of two or more elements that are chemically bonded
valence electrons
compound
electromagnetic spectrum
atomic number
3. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
electromagnetic spectrum
precision
wavelength
4. 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.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
5. An atom or group of bonded atoms that has a positive or negative charge.
pure substance
isotopes
ion
quantum
6. 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
heterogeneous
pure substance
percent error
law of definite proportions
7. A testable statement
hypothesis
homogeneous
model
nuclide
8. Anything that has mass and takes up space
chemistry
homogeneous
matter
scientific notation n where the factor M is a scientific notation
9. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
direct proportion
atom
atom
atomic mass unit
10. The elements of group 1 of the periodic table.
isotopes
periodic law
alkali metals
excited state
11. 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
law of definite proportions
Spin Quantum Number
plasma
hertz
12. An element that is a poor conductor of heat and electricity
photoelectric effect
nonmetal
system
law of definite proportions
13. A positive ion.
Hund's rule
orbital
percent error
cation
14. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
nuclide
wavelength
Pauli exclusion principle
15. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
atom
electronegativity
inverse proportion
liquid
16. The measurement system accepted worldwide
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
17. A blend of two or more kinds of matter - each of which retains its own identity and properties
metalloid
pure substance
atomic radius
mixture
18. Which suborbital. (Py - Px - Pz)
Magnetic Quantum Number
group
atom
periodic table
19. A unit that is a combination of SI base units
chemical change
noble gas
derived unit
precision
20. The total number of protons and neutrons in the nucleus of an isotope
Principle Quantum Number
Quantum Numbers
main-group elements
mass number
21. A substance that is formed by a chemical change
product
mass
reactant
Hund's rule
22. The ratio of mass to volume or mass divided by volume
Pauli exclusion principle
density
inverse proportion
ground state
23. A horizontal row of elements in the periodic table
mass number
period
intensive property
chemical reaction
24. The state of matter in which the substance has definite volume and definite shape
solid
theory
element
quantum
25. A vertical column of the periodic table
extensive property
significant figure
weight
family
26. Combination of all the forms of electromagnetic radiation.
noble gas
law of definite proportions
electromagnetic spectrum
group
27. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
ion
line-emission spectrum
noble gas
28. State in which an atom has a higher potential energy than it has in it's ground state.
Hund's rule
excited state
isotopes
Quantum Numbers
29. The smallest unit of an element that maintains the properties of that element
anion
weight
atom
frequency
30. 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.
atomic number
Quantum Numbers
periodic table
extensive property
31. The state of matter in which a substance has neither definite volume nor definite shape
heterogeneous
chemistry
gas
lanthanide
32. 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
33. Any process that results in the formation of an ion.
ionization
atom
molar mass
metal
34. The state of matter in which the substance has a definite volume but an indefinite shape
pure substance
hypothesis
liquid
homogeneous
35. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
quantum
Heisenberg Uncertainty Principle
conversion factor
Aufaub principle
36. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
solid
photon
nuclear force
valence electrons
37. The suborbitals of an atom. (S - P - D - F)
Angular Momentum Quantum Number
valence electrons
ground state
cation
38. A high-temperature physical state of matter in which atoms lose their electrons
plasma
Quantum Theory
Spin Quantum Number
extensive property
39. Having a uniform composition throughout
homogeneous
chemical reaction
actinide
chemical property
40. Two quantities that give a constant value when one is divided by the other
transition metals
photon
direct proportion
Spin Quantum Number
41. The p-block elements together with the s-block elements.
product
direct proportion
halogens
main-group elements
42. The amount of space occupied by an object
gas
Pauli exclusion principle
average atomic mass
volume
43. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
weight
extensive property
family
photon
44. A measure of the amount of matter
wavelength
mass
electromagnetic radiation
mole
45. A broad generalization that explains a body of facts or phenomena
theory
noble gas
periodic law
scientific method
46. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
gas
ground state
pure substance
47. Describes mathematically the wave properties of electrons and other very small particles.
Spin Quantum Number
Quantum Theory
percent error
reactant
48. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
mole
element
electromagnetic spectrum
SI (Le Système International d'Unités
49. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
law of definite proportions
nonmetal
significant figure
volume
50. Any substance that has a definite composition
group
quantum
hertz
chemical