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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. Which suborbital. (Py - Px - Pz)
Magnetic Quantum Number
physical change
ionization
nuclear force
2. The energy change that occurs when an electron is acquired by a neutral atom.
chemistry
metal
atom
electron affinity
3. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
halogens
law of conservation of mass
scientific method
Principle Quantum Number
4. A horizontal row of elements in the periodic table
metalloid
electron configuration
period
molar mass
5. The ratio of mass to volume or mass divided by volume
frequency
physical change
transition metals
density
6. 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
mass number
volume
law of definite proportions
chemical property
7. The general term for any isotope of any element
halogens
photoelectric effect
nuclide
Magnetic Quantum Number
8. A change in a substance that does not involve a change in the identity of the substance
nonmetal
physical change
electromagnetic radiation
hypothesis
9. An atom or group of bonded atoms that has a positive or negative charge.
ion
orbital
metalloid
Angular Momentum Quantum Number
10. The elements of group 2 of the periodic table.
alkaline-earth metals
nonmetal
ionization
line-emission spectrum
11. The state of matter in which the substance has a definite volume but an indefinite shape
ionization
valence electrons
family
liquid
12. A substance that is made from the atoms of two or more elements that are chemically bonded
alkaline-earth metals
Hund's rule
compound
photoelectric effect
13. A high-temperature physical state of matter in which atoms lose their electrons
plasma
cation
quantity
average atomic mass
14. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
group
nuclide
direct proportion
15. A pure substance made of only one kind of atom
mass
element
inverse proportion
halogens
16. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
gas
periodic law
pure substance
mass number
17. The ability of a substance to undergo a change that transforms it into a different substance
element
hypothesis
atom
chemical property
18. One wave per second.
electron affinity
mass number
product
hertz
19. A negative ion.
anion
compound
hypothesis
electron affinity
20. An element that has some characteristics of metals and some characteristics of nonmetals
alkali metals
line-emission spectrum
wavelength
metalloid
21. The arrangement of electrons in an atom
scientific notation n where the factor M is a scientific notation
homogeneous
electron configuration
transition metals
22. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
inverse proportion
alkaline-earth metals
electronegativity
intensive property
23. 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
pure substance
density
mass
24. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
orbital
mass number
quantity
atomic mass unit
25. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
plasma
atomic mass unit
isotopes
electromagnetic radiation
26. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
weight
line-emission spectrum
nuclear force
mass
27. A property that depends on the amount of matter that is present
photoelectric effect
reactant
chemical change
extensive property
28. An electron occupies the lowest-energy orbital that can receive it
atom
ground state
matter
Aufaub principle
29. Any substance that has a definite composition
isotopes
electron affinity
chemical
periodic law
30. Which way it spins. (up or down)
Spin Quantum Number
electromagnetic spectrum
lanthanide
continuous spectrum
31. Not having a uniform composition throughout
noble gas configuration
volume
actinide
heterogeneous
32. A characteristic that can be observed or measured without changing the identity of the substance
physical property
homogeneous
conversion factor
halogens
33. A physical change of a substance from one state to another
homogeneous
product
excited state
change of state
34. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
ionization
continuous spectrum
average atomic mass
mole
35. Number of waves that pass a given point in a specific time - usually one second.
frequency
actinide
system
chemical
36. Two quantities that have a constant mathematical product
quantity
inverse proportion
quantum
significant figure
37. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
Heisenberg Uncertainty Principle
transition metals
group
nuclide
38. A broad generalization that explains a body of facts or phenomena
model
plasma
hertz
theory
39. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
nonmetal
Quantum Numbers
line-emission spectrum
scientific notation n where the factor M is a scientific notation
40. 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.
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41. An element that is a poor conductor of heat and electricity
direct proportion
SI (Le Système International d'Unités
wavelength
nonmetal
42. An explanation of how phenomena occur and how data or events are related
mass
model
Principle Quantum Number
mole
43. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
nuclear force
density
inverse proportion
metal
44. A change in which one or more substances are converted into different substances
Angular Momentum Quantum Number
chemical change
cation
isotopes
45. The smallest unit of an element that maintains the properties of that element
nonmetal
Avogadro's number
atom
quantity
46. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
volume
significant figure
chemical change
group
47. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
orbital
heterogeneous
direct proportion
48. A testable statement
electromagnetic spectrum
hypothesis
actinide
change of state
49. A positive ion.
cation
ground state
solid
scientific notation n where the factor M is a scientific notation
50. An element that is a good conductor of heat and electricity
percent error
nuclear force
metal
photon