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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. Distance between corresponding points on adjacent waves.
wavelength
law of definite proportions
mole
Angular Momentum Quantum Number
2. An explanation of how phenomena occur and how data or events are related
Aufaub principle
electron affinity
model
periodic table
3. The suborbitals of an atom. (S - P - D - F)
theory
Angular Momentum Quantum Number
Hund's rule
law of multiple proportions
4. Describes mathematically the wave properties of electrons and other very small particles.
mass
alkaline-earth metals
Quantum Theory
homogeneous
5. Any process that results in the formation of an ion.
line-emission spectrum
periodic law
frequency
ionization
6. The 14 elements with the atomic numbers 58-71.
mass number
intensive property
lanthanide
product
7. A substance that is made from the atoms of two or more elements that are chemically bonded
excited state
family
compound
atom
8. The state of matter in which the substance has definite volume and definite shape
orbital
chemical reaction
average atomic mass
solid
9. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
derived unit
valence electrons
scientific method
periodic law
10. Atoms of the same element that have different masses
Avogadro's number
inverse proportion
isotopes
change of state
11. A measure of the gravitational pull on matter
transition metals
molar mass
weight
Aufaub principle
12. The state of matter in which a substance has neither definite volume nor definite shape
continuous spectrum
extensive property
gas
atomic radius
13. The closeness of a set of measurements of the same quantity made in the same way
precision
SI (Le Système International d'Unités
ion
quantity
14. The closeness of measurements to the correct or accepted value of the quantity measured
SI (Le Système International d'Unités
chemical change
accuracy
electronegativity
15. Two quantities that give a constant value when one is divided by the other
direct proportion
alkaline-earth metals
photoelectric effect
electromagnetic spectrum
16. Two quantities that have a constant mathematical product
periodic law
inverse proportion
hertz
scientific notation n where the factor M is a scientific notation
17. A high-temperature physical state of matter in which atoms lose their electrons
chemical
plasma
orbital
hypothesis
18. An element that has some characteristics of metals and some characteristics of nonmetals
mass
metalloid
anion
law of multiple proportions
19. 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
direct proportion
electromagnetic radiation
scientific notation n where the factor M is a scientific notation
law of definite proportions
20. A positive ion.
Pauli exclusion principle
model
cation
ground state
21. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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22. One wave per second.
hertz
scientific method
transition metals
chemical change
23. The arrangement of electrons in an atom
electronegativity
element
electron configuration
derived unit
24. 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
SI (Le Système International d'Unités
Magnetic Quantum Number
Heisenberg Uncertainty Principle
law of multiple proportions
25. Minimum quantity of energy that can be lost or gained by an atom.
quantum
chemical reaction
molar mass
ionization
26. A pure substance made of only one kind of atom
solid
Angular Momentum Quantum Number
electromagnetic spectrum
element
27. 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.
electromagnetic spectrum
actinide
atomic radius
periodic table
28. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
mixture
alkaline-earth metals
physical change
line-emission spectrum
29. The amount of space occupied by an object
continuous spectrum
halogens
volume
nuclear force
30. An atom or group of bonded atoms that has a positive or negative charge.
photon
atomic number
intensive property
ion
31. A unit that is a combination of SI base units
electron configuration
plasma
ion
derived unit
32. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
Heisenberg Uncertainty Principle
compound
mass number
33. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
solid
lanthanide
Spin Quantum Number
average atomic mass
34. The ability of a substance to undergo a change that transforms it into a different substance
liquid
hypothesis
physical change
chemical property
35. The elements of group 1 of the periodic table.
wavelength
alkali metals
scientific notation n where the factor M is a scientific notation
element
36. A vertical column of the periodic table
Avogadro's number
atomic mass unit
family
Quantum Numbers
37. The elements of group 2 of the periodic table.
alkaline-earth metals
photon
Heisenberg Uncertainty Principle
main-group elements
38. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
heterogeneous
density
element
mole
39. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
photon
homogeneous
photoelectric effect
hertz
40. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
physical property
scientific notation n where the factor M is a scientific notation
quantity
Aufaub principle
41. The energy change that occurs when an electron is acquired by a neutral atom.
periodic table
valence electrons
ground state
electron affinity
42. The number of protons in the nucleus of each atom of an element
Principle Quantum Number
atomic number
Hund's rule
weight
43. The p-block elements together with the s-block elements.
main-group elements
chemical
ion
system
44. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
molar mass
physical change
electron configuration
45. A measure of the amount of matter
atom
physical property
transition metals
mass
46. 1/2 the distance between the nuclei of identical atoms that are bonded together.
scientific notation n where the factor M is a scientific notation
atomic radius
group
alkali metals
47. The measurement system accepted worldwide
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48. Which suborbital. (Py - Px - Pz)
nuclear force
ionization
Magnetic Quantum Number
intensive property
49. The total number of protons and neutrons in the nucleus of an isotope
mass number
chemistry
law of multiple proportions
alkali metals
50. A substance that reacts in a chemical change
plasma
element
chemical change
reactant