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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. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
periodic law
Quantum Theory
line-emission spectrum
system
2. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
atomic number
metal
electronegativity
scientific notation n where the factor M is a scientific notation
3. The elements of group 17 of the periodic table.
hypothesis
Avogadro's number
accuracy
halogens
4. The amount of space occupied by an object
volume
derived unit
wavelength
mole
5. The arrangement of electrons in an atom
electron configuration
photon
volume
conversion factor
6. The smallest unit of an element that maintains the properties of that element
atom
ion
excited state
anion
7. A substance that reacts in a chemical change
photoelectric effect
reactant
inverse proportion
scientific notation n where the factor M is a scientific notation
8. The state of matter in which a substance has neither definite volume nor definite shape
noble gas
system
gas
Magnetic Quantum Number
9. A measure of the amount of matter
hypothesis
Spin Quantum Number
mass
nuclide
10. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
mass number
valence electrons
alkali metals
11. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
electromagnetic spectrum
electron configuration
periodic law
chemical property
12. The mass of one mole of a pure substance
chemical change
ionization
molar mass
solid
13. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
chemical
scientific method
SI (Le Système International d'Unités
photoelectric effect
14. The p-block elements together with the s-block elements.
noble gas
mixture
main-group elements
nuclear force
15. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
Angular Momentum Quantum Number
compound
percent error
noble gas configuration
16. A vertical column of the periodic table
family
product
Heisenberg Uncertainty Principle
metalloid
17. An explanation of how phenomena occur and how data or events are related
model
noble gas
Spin Quantum Number
precision
18. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
mole
weight
photoelectric effect
19. The ratio of mass to volume or mass divided by volume
law of multiple proportions
Pauli exclusion principle
density
quantum
20. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
nuclide
average atomic mass
weight
solid
21. The suborbitals of an atom. (S - P - D - F)
Angular Momentum Quantum Number
Principle Quantum Number
law of multiple proportions
change of state
22. A property that depends on the amount of matter that is present
chemical reaction
excited state
extensive property
nonmetal
23. A unit of mass that is exactly 1/12 the mass of a carbon-12atom - or 1.660 540 × 10-27 kg
atomic mass unit
metal
photon
change of state
24. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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25. The energy required to remove one electron from a neutral atom of an element.
accuracy
pure substance
ionization energy
quantity
26. A characteristic that can be observed or measured without changing the identity of the substance
alkaline-earth metals
physical property
atomic radius
electronegativity
27. Emission of electrons from a metal when light shines on a metal.
photoelectric effect
direct proportion
lanthanide
theory
28. The ability of a substance to undergo a change that transforms it into a different substance
change of state
photoelectric effect
chemical property
group
29. The closeness of a set of measurements of the same quantity made in the same way
anion
system
physical property
precision
30. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
chemical
electromagnetic radiation
scientific notation n where the factor M is a scientific notation
wavelength
31. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
system
scientific notation n where the factor M is a scientific notation
alkaline-earth metals
liquid
32. Any substance that has a definite composition
chemical
Magnetic Quantum Number
mixture
ion
33. Which suborbital. (Py - Px - Pz)
compound
Magnetic Quantum Number
atom
theory
34. The emission of a continuous range of frequencies of electromagnetic radiation.
nuclear force
theory
continuous spectrum
molar mass
35. The elements of group 1 of the periodic table.
hypothesis
metalloid
ground state
alkali metals
36. A physical change of a substance from one state to another
derived unit
change of state
periodic law
mass
37. A blend of two or more kinds of matter - each of which retains its own identity and properties
halogens
extensive property
mixture
isotopes
38. 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.
chemical property
group
periodic table
heterogeneous
39. The 14 elements with the atomic numbers 58-71.
alkali metals
lanthanide
atomic radius
main-group elements
40. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
density
ground state
physical change
valence electrons
41. Minimum quantity of energy that can be lost or gained by an atom.
line-emission spectrum
photoelectric effect
quantum
weight
42. A testable statement
change of state
heterogeneous
scientific method
hypothesis
43. Lowest energy state of an atom.
ground state
electron configuration
cation
metal
44. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
wavelength
pure substance
Quantum Numbers
Magnetic Quantum Number
45. Having a uniform composition throughout
mass
photoelectric effect
homogeneous
SI (Le Système International d'Unités
46. A change in which one or more substances are converted into different substances
electron configuration
atomic radius
period
chemical change
47. Atoms of the same element that have different masses
isotopes
theory
cation
chemical
48. The smallest unit of an element that maintains the properties of that element
quantity
Aufaub principle
quantum
atom
49. The elements of group 2 of the periodic table.
homogeneous
alkaline-earth metals
matter
pure substance
50. The energy change that occurs when an electron is acquired by a neutral atom.
electron affinity
scientific method
chemistry
electromagnetic spectrum