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 value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
percent error
molar mass
theory
law of definite proportions
2. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
anion
atomic mass unit
cation
mass
3. The ability of a substance to undergo a change that transforms it into a different substance
continuous spectrum
actinide
reactant
chemical property
4. The state of matter in which the substance has definite volume and definite shape
electron configuration
chemical reaction
density
solid
5. The state of matter in which a substance has neither definite volume nor definite shape
molar mass
gas
solid
scientific notation n where the factor M is a scientific notation
6. A unit that is a combination of SI base units
derived unit
Principle Quantum Number
photoelectric effect
mixture
7. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
alkaline-earth metals
accuracy
line-emission spectrum
photoelectric effect
8. Any substance that has a definite composition
metal
chemical
chemical change
family
9. 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
10. The amount of space occupied by an object
volume
hertz
chemical reaction
Quantum Theory
11. A horizontal row of elements in the periodic table
period
main-group elements
Principle Quantum Number
anion
12. Something that has magnitude - size - or amount
quantity
conversion factor
scientific method
pure substance
13. Which way it spins. (up or down)
law of definite proportions
volume
frequency
Spin Quantum Number
14. Atoms of the same element that have different masses
halogens
physical change
mixture
isotopes
15. An explanation of how phenomena occur and how data or events are related
chemical change
model
mass number
physical property
16. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
period
scientific method
scientific notation n where the factor M is a scientific notation
Quantum Numbers
17. The d-block elements are metals with typical metallic properties.
Avogadro's number
change of state
significant figure
transition metals
18. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
chemistry
ground state
noble gas
halogens
19. The arrangement of electrons in an atom
Magnetic Quantum Number
chemical change
electron configuration
main-group elements
20. A high-temperature physical state of matter in which atoms lose their electrons
change of state
SI (Le Système International d'Unités
orbital
plasma
21. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
atom
periodic law
chemical reaction
anion
22. State in which an atom has a higher potential energy than it has in it's ground state.
metalloid
quantum
excited state
change of state
23. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
halogens
mass number
scientific notation n where the factor M is a scientific notation
24. A change in which one or more substances are converted into different substances
physical property
alkaline-earth metals
Avogadro's number
chemical change
25. A vertical column of the periodic table
family
extensive property
compound
mass
26. 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
derived unit
volume
periodic table
27. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
nuclide
Aufaub principle
Quantum Numbers
mole
28. The mass of one mole of a pure substance
quantity
reactant
molar mass
solid
29. An element that is a good conductor of heat and electricity
Angular Momentum Quantum Number
metal
SI (Le Système International d'Unités
matter
30. A reaction in which one or more substances are converted into different substances
chemical reaction
reactant
compound
periodic table
31. One wave per second.
Avogadro's number
derived unit
hertz
quantum
32. The suborbitals of an atom. (S - P - D - F)
molar mass
physical change
Angular Momentum Quantum Number
alkaline-earth metals
33. No two electrons in the same atom can have the same set of four quantum numbers
plasma
valence electrons
anion
Pauli exclusion principle
34. An electron occupies the lowest-energy orbital that can receive it
theory
Aufaub principle
nuclear force
model
35. A vertical column of the periodic table
matter
atomic mass unit
ion
group
36. Mass is neither created nor destroyed duringordinary chemical or physical reactions
electronegativity
extensive property
law of conservation of mass
law of definite proportions
37. Describes mathematically the wave properties of electrons and other very small particles.
Aufaub principle
transition metals
main-group elements
Quantum Theory
38. Distance between corresponding points on adjacent waves.
average atomic mass
weight
wavelength
noble gas
39. A characteristic that can be observed or measured without changing the identity of the substance
Heisenberg Uncertainty Principle
chemistry
alkaline-earth metals
physical property
40. Combination of all the forms of electromagnetic radiation.
electromagnetic spectrum
Magnetic Quantum Number
SI (Le Système International d'Unités
physical change
41. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
photoelectric effect
alkali metals
line-emission spectrum
average atomic mass
42. A property that depends on the amount of matter that is present
anion
theory
extensive property
quantity
43. 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
halogens
anion
pure substance
conversion factor
44. The smallest unit of an element that maintains the properties of that element
atom
matter
atomic number
homogeneous
45. 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
law of multiple proportions
hertz
physical property
photon
46. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
precision
quantum
ionization
significant figure
47. A substance that reacts in a chemical change
accuracy
quantum
reactant
scientific method
48. The study of the composition - structure - and properties of matter and the changes it undergoes
chemistry
molar mass
law of definite proportions
anion
49. A substance that is made from the atoms of two or more elements that are chemically bonded
compound
heterogeneous
ion
electronegativity
50. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
nuclear force
atomic mass unit
theory
electronegativity