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Test your basic knowledge |
Pre - AP Chemistry
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Subjects
:
pre-ap
,
science
Instructions:
Answer 50 questions in 15 minutes.
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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. The d-block elements are metals with typical metallic properties.
halogens
transition metals
system
physical change
2. The p-block elements together with the s-block elements.
electromagnetic radiation
group
main-group elements
metal
3. The amount of space occupied by an object
mole
volume
law of definite proportions
pure substance
4. The energy required to remove one electron from a neutral atom of an element.
ionization energy
main-group elements
periodic table
element
5. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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6. The measurement system accepted worldwide
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7. The elements of group 17 of the periodic table.
Aufaub principle
Angular Momentum Quantum Number
halogens
product
8. A change in which one or more substances are converted into different substances
nonmetal
chemical change
line-emission spectrum
weight
9. Not having a uniform composition throughout
molar mass
system
excited state
heterogeneous
10. The state of matter in which the substance has definite volume and definite shape
solid
nonmetal
mole
SI (Le Système International d'Unités
11. 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 definite proportions
law of multiple proportions
alkali metals
transition metals
12. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
alkaline-earth metals
quantum
nuclear force
metalloid
13. An outer main energy level occupied - in most cases - by 8 electrons
noble gas configuration
Quantum Theory
significant figure
Spin Quantum Number
14. An explanation of how phenomena occur and how data or events are related
ion
chemical reaction
model
mole
15. A broad generalization that explains a body of facts or phenomena
molar mass
theory
derived unit
electron configuration
16. Mass is neither created nor destroyed duringordinary chemical or physical reactions
product
law of conservation of mass
extensive property
noble gas configuration
17. An element that has some characteristics of metals and some characteristics of nonmetals
isotopes
homogeneous
metalloid
atomic radius
18. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
photon
average atomic mass
group
19. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
product
ground state
Heisenberg Uncertainty Principle
electronegativity
20. Combination of all the forms of electromagnetic radiation.
Quantum Numbers
matter
electromagnetic spectrum
product
21. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
system
periodic law
SI (Le Système International d'Unités
photoelectric effect
22. The ability of a substance to undergo a change that transforms it into a different substance
matter
significant figure
solid
chemical property
23. The general term for any isotope of any element
chemistry
periodic table
nuclide
electron affinity
24. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
plasma
family
quantity
photon
25. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
system
volume
photoelectric effect
Quantum Numbers
26. A substance that is made from the atoms of two or more elements that are chemically bonded
volume
compound
periodic law
chemical property
27. Narrow beam of the emitted light was shined through a prism - it was separated into four specific colors of the visible spectrum.
line-emission spectrum
plasma
electron affinity
photon
28. 1/2 the distance between the nuclei of identical atoms that are bonded together.
actinide
period
transition metals
atomic radius
29. The suborbitals of an atom. (S - P - D - F)
Principle Quantum Number
Magnetic Quantum Number
Angular Momentum Quantum Number
Hund's rule
30. One wave per second.
atom
hertz
product
heterogeneous
31. Lowest energy state of an atom.
extensive property
nonmetal
continuous spectrum
ground state
32. A physical change of a substance from one state to another
inverse proportion
change of state
physical property
nonmetal
33. Atoms of the same element that have different masses
Quantum Numbers
isotopes
atom
chemical
34. Emission of electrons from a metal when light shines on a metal.
chemical property
excited state
photoelectric effect
mass
35. Any digit in a measurement that is known with certainty plus one final digit - which is somewhat uncertain or is estimated
actinide
significant figure
compound
precision
36. The energy change that occurs when an electron is acquired by a neutral atom.
Spin Quantum Number
electron affinity
periodic law
Quantum Numbers
37. A positive ion.
family
electronegativity
law of definite proportions
cation
38. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
Quantum Theory
noble gas
Quantum Numbers
accuracy
39. Having a uniform composition throughout
theory
actinide
homogeneous
compound
40. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
model
homogeneous
nuclide
41. The mass of one mole of a pure substance
line-emission spectrum
Quantum Theory
electron configuration
molar mass
42. Anything that has mass and takes up space
wavelength
matter
electromagnetic radiation
nuclear force
43. The 14 elements with the atomic numbers 58-71.
theory
Angular Momentum Quantum Number
lanthanide
law of conservation of mass
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
lanthanide
photon
extensive property
scientific notation n where the factor M is a scientific notation
45. A substance that reacts in a chemical change
direct proportion
reactant
Quantum Theory
percent error
46. A property that does not depend on the amount of matter present
chemical change
intensive property
theory
Pauli exclusion principle
47. A vertical column of the periodic table
orbital
average atomic mass
group
reactant
48. A unit that is a combination of SI base units
valence electrons
nuclide
Avogadro's number
derived unit
49. The closeness of measurements to the correct or accepted value of the quantity measured
accuracy
nuclear force
law of conservation of mass
Hund's rule
50. Any substance that has a definite composition
electron configuration
pure substance
direct proportion
chemical
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