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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. Describes mathematically the wave properties of electrons and other very small particles.
metalloid
homogeneous
Quantum Theory
metal
2. A negative ion.
anion
mass number
halogens
metalloid
3. Something that has magnitude - size - or amount
volume
electronegativity
quantity
model
4. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
line-emission spectrum
electronegativity
valence electrons
group
5. The elements of group 2 of the periodic table.
noble gas
alkaline-earth metals
chemical reaction
reactant
6. A reaction in which one or more substances are converted into different substances
atomic radius
average atomic mass
homogeneous
chemical reaction
7. The elements of group 1 of the periodic table.
alkali metals
precision
extensive property
lanthanide
8. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
quantity
chemical
Hund's rule
nuclear force
9. The state of matter in which the substance has definite volume and definite shape
solid
lanthanide
atom
ionization
10. The 14 elements with the atomic numbers 90-103.
actinide
element
law of definite proportions
period
11. A measure of the gravitational pull on matter
weight
periodic table
nuclear force
volume
12. An element that is a poor conductor of heat and electricity
ionization energy
solid
nonmetal
Quantum Numbers
13. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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14. A horizontal row of elements in the periodic table
period
inverse proportion
actinide
theory
15. The d-block elements are metals with typical metallic properties.
chemical change
solid
transition metals
physical property
16. The 14 elements with the atomic numbers 58-71.
metalloid
excited state
lanthanide
direct proportion
17. Any substance that has a definite composition
ion
photon
chemical
mole
18. The elements of group 17 of the periodic table.
electron configuration
pure substance
transition metals
halogens
19. A unit that is a combination of SI base units
derived unit
scientific notation n where the factor M is a scientific notation
significant figure
gas
20. The closeness of a set of measurements of the same quantity made in the same way
molar mass
precision
wavelength
line-emission spectrum
21. Two quantities that give a constant value when one is divided by the other
direct proportion
conversion factor
liquid
gas
22. 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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23. 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.
average atomic mass
pure substance
chemical
periodic table
24. The state of matter in which the substance has a definite volume but an indefinite shape
model
precision
liquid
periodic table
25. The measurement system accepted worldwide
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26. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
scientific notation n where the factor M is a scientific notation
Principle Quantum Number
reactant
chemical
27. The energy change that occurs when an electron is acquired by a neutral atom.
electron affinity
alkali metals
physical change
electronegativity
28. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
homogeneous
quantity
density
Quantum Numbers
29. The total number of protons and neutrons in the nucleus of an isotope
law of conservation of mass
photon
mass number
Aufaub principle
30. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
electromagnetic radiation
noble gas
precision
Aufaub principle
31. A change in a substance that does not involve a change in the identity of the substance
physical change
Pauli exclusion principle
direct proportion
anion
32. A vertical column of the periodic table
noble gas
Spin Quantum Number
physical change
group
33. A testable statement
molar mass
hypothesis
quantum
Avogadro's number
34. Anything that has mass and takes up space
valence electrons
alkaline-earth metals
theory
matter
35. A substance that is formed by a chemical change
electromagnetic spectrum
Spin Quantum Number
product
volume
36. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
valence electrons
noble gas
direct proportion
hertz
37. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
mass number
significant figure
Aufaub principle
scientific notation n where the factor M is a scientific notation
38. The mass of one mole of a pure substance
compound
molar mass
periodic table
scientific method
39. Not having a uniform composition throughout
atomic mass unit
quantity
electronegativity
heterogeneous
40. Which suborbital. (Py - Px - Pz)
gas
quantum
inverse proportion
Magnetic Quantum Number
41. The p-block elements together with the s-block elements.
main-group elements
mixture
intensive property
change of state
42. A broad generalization that explains a body of facts or phenomena
electron configuration
wavelength
hertz
theory
43. A substance that is made from the atoms of two or more elements that are chemically bonded
solid
compound
quantum
Magnetic Quantum Number
44. A positive ion.
cation
direct proportion
homogeneous
chemical change
45. Mass is neither created nor destroyed duringordinary chemical or physical reactions
Principle Quantum Number
heterogeneous
atom
law of conservation of mass
46. An electron occupies the lowest-energy orbital that can receive it
transition metals
solid
density
Aufaub principle
47. Minimum quantity of energy that can be lost or gained by an atom.
quantum
chemical property
product
valence electrons
48. 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
accuracy
molar mass
metalloid
law of definite proportions
49. The smallest unit of an element that maintains the properties of that element
SI (Le Système International d'Unités
atom
nuclide
family
50. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
system
conversion factor
liquid
chemical change