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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 high-temperature physical state of matter in which atoms lose their electrons
chemical change
nuclear force
plasma
atom
2. The measurement system accepted worldwide
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3. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
liquid
mass number
continuous spectrum
photon
4. The ability of a substance to undergo a change that transforms it into a different substance
mixture
Pauli exclusion principle
chemical property
average atomic mass
5. 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.
periodic table
inverse proportion
hypothesis
atom
6. An element that is a poor conductor of heat and electricity
matter
Quantum Theory
nonmetal
significant figure
7. Two quantities that have a constant mathematical product
Pauli exclusion principle
inverse proportion
nuclear force
law of conservation of mass
8. Minimum quantity of energy that can be lost or gained by an atom.
electromagnetic radiation
quantum
cation
direct proportion
9. A change in which one or more substances are converted into different substances
chemical change
mass
nuclear force
isotopes
10. 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
Hund's rule
anion
law of multiple proportions
scientific notation n where the factor M is a scientific notation
11. 1/2 the distance between the nuclei of identical atoms that are bonded together.
Magnetic Quantum Number
hypothesis
halogens
atomic radius
12. A unit that is a combination of SI base units
electromagnetic radiation
Heisenberg Uncertainty Principle
derived unit
group
13. The closeness of a set of measurements of the same quantity made in the same way
excited state
precision
homogeneous
electromagnetic radiation
14. A substance that is formed by a chemical change
electronegativity
system
chemical change
product
15. Any substance that has a definite composition
chemical
cation
nonmetal
plasma
16. Number of waves that pass a given point in a specific time - usually one second.
law of conservation of mass
pure substance
wavelength
frequency
17. A physical change of a substance from one state to another
physical change
change of state
isotopes
solid
18. The elements of group 2 of the periodic table.
alkaline-earth metals
matter
chemical reaction
quantity
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
ionization
theory
law of definite proportions
transition metals
20. Which way it spins. (up or down)
volume
Principle Quantum Number
atomic mass unit
Spin Quantum Number
21. The energy change that occurs when an electron is acquired by a neutral atom.
weight
gas
electron affinity
Quantum Numbers
22. The p-block elements together with the s-block elements.
electronegativity
main-group elements
nuclide
quantum
23. The arrangement of electrons in an atom
Quantum Theory
law of multiple proportions
electron configuration
hypothesis
24. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
pure substance
periodic law
quantum
conversion factor
25. A substance that is made from the atoms of two or more elements that are chemically bonded
model
chemical property
chemistry
compound
26. A substance that reacts in a chemical change
reactant
Pauli exclusion principle
Heisenberg Uncertainty Principle
physical change
27. A characteristic that can be observed or measured without changing the identity of the substance
precision
physical property
chemical change
volume
28. The smallest unit of an element that maintains the properties of that element
atom
valence electrons
photon
ionization
29. The general term for any isotope of any element
weight
product
noble gas configuration
nuclide
30. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
metalloid
electromagnetic radiation
atom
SI (Le Système International d'Unités
31. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
theory
percent error
transition metals
period
32. A 3D region around the nucleus that indicates the probable location of an electron.
model
excited state
isotopes
orbital
33. One wave per second.
scientific notation n where the factor M is a scientific notation
orbital
line-emission spectrum
hertz
34. Anything that has mass and takes up space
noble gas configuration
molar mass
matter
volume
35. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
element
anion
noble gas
ion
36. An outer main energy level occupied - in most cases - by 8 electrons
quantity
photoelectric effect
metal
noble gas configuration
37. An element that has some characteristics of metals and some characteristics of nonmetals
valence electrons
mixture
Heisenberg Uncertainty Principle
metalloid
38. A measure of the amount of matter
plasma
SI (Le Système International d'Unités
mass
model
39. Something that has magnitude - size - or amount
quantity
change of state
compound
hertz
40. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
hypothesis
wavelength
family
average atomic mass
41. Not having a uniform composition throughout
Angular Momentum Quantum Number
heterogeneous
orbital
ion
42. Emission of electrons from a metal when light shines on a metal.
product
photoelectric effect
electromagnetic spectrum
ionization energy
43. The emission of a continuous range of frequencies of electromagnetic radiation.
law of multiple proportions
continuous spectrum
chemical change
physical property
44. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
inverse proportion
actinide
scientific notation n where the factor M is a scientific notation
law of conservation of mass
45. Distance between corresponding points on adjacent waves.
gas
wavelength
density
electronegativity
46. A vertical column of the periodic table
volume
Quantum Theory
family
alkali metals
47. The 14 elements with the atomic numbers 90-103.
frequency
electron affinity
actinide
gas
48. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
quantity
period
periodic law
nuclear force
49. A testable statement
Aufaub principle
hypothesis
Spin Quantum Number
isotopes
50. Any process that results in the formation of an ion.
ionization
atom
intensive property
hertz