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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. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
mole
periodic law
ground state
pure substance
2. The measurement system accepted worldwide
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3. The p-block elements together with the s-block elements.
mole
weight
ionization
main-group elements
4. The energy required to remove one electron from a neutral atom of an element.
ionization energy
gas
volume
family
5. A reaction in which one or more substances are converted into different substances
product
photoelectric effect
chemical reaction
chemical
6. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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7. A testable statement
hypothesis
Magnetic Quantum Number
periodic table
mole
8. The d-block elements are metals with typical metallic properties.
ionization
ionization energy
transition metals
halogens
9. A high-temperature physical state of matter in which atoms lose their electrons
Spin Quantum Number
plasma
continuous spectrum
lanthanide
10. 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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11. A ratio derived from the equality between two different units that can be used to convert from one unit to the other
conversion factor
law of multiple proportions
electron affinity
scientific notation n where the factor M is a scientific notation
12. 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
lanthanide
Pauli exclusion principle
law of multiple proportions
atomic mass unit
13. The arrangement of electrons in an atom
alkaline-earth metals
electromagnetic radiation
Spin Quantum Number
electron configuration
14. Emission of electrons from a metal when light shines on a metal.
law of multiple proportions
photoelectric effect
mass number
model
15. A change in a substance that does not involve a change in the identity of the substance
wavelength
direct proportion
alkaline-earth metals
physical change
16. The elements of group 2 of the periodic table.
electron configuration
halogens
solid
alkaline-earth metals
17. Distance between corresponding points on adjacent waves.
group
wavelength
Aufaub principle
system
18. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
system
electron configuration
molar mass
ground state
19. A property that depends on the amount of matter that is present
chemical reaction
electronegativity
hypothesis
extensive property
20. A substance that is made from the atoms of two or more elements that are chemically bonded
Aufaub principle
Angular Momentum Quantum Number
physical property
compound
21. Which way it spins. (up or down)
mass
Pauli exclusion principle
Spin Quantum Number
derived unit
22. Number of waves that pass a given point in a specific time - usually one second.
frequency
compound
matter
precision
23. The emission of a continuous range of frequencies of electromagnetic radiation.
continuous spectrum
mass
scientific notation n where the factor M is a scientific notation
Aufaub principle
24. The energy change that occurs when an electron is acquired by a neutral atom.
family
electron affinity
atomic mass unit
noble gas configuration
25. The total number of protons and neutrons in the nucleus of an isotope
Magnetic Quantum Number
electromagnetic radiation
mass number
liquid
26. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
electronegativity
transition metals
ionization energy
27. A vertical column of the periodic table
ground state
atom
reactant
family
28. A substance that reacts in a chemical change
Quantum Theory
electron configuration
reactant
ion
29. A negative ion.
direct proportion
transition metals
chemical reaction
anion
30. An outer main energy level occupied - in most cases - by 8 electrons
electron affinity
heterogeneous
solid
noble gas configuration
31. A physical change of a substance from one state to another
Pauli exclusion principle
weight
lanthanide
change of state
32. A measure of the amount of matter
precision
electron configuration
continuous spectrum
mass
33. A characteristic that can be observed or measured without changing the identity of the substance
change of state
Angular Momentum Quantum Number
physical property
electron configuration
34. A change in which one or more substances are converted into different substances
Quantum Theory
chemical change
compound
gas
35. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
heterogeneous
alkaline-earth metals
photoelectric effect
36. A vertical column of the periodic table
average atomic mass
nuclear force
group
plasma
37. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
electron affinity
hypothesis
Heisenberg Uncertainty Principle
accuracy
38. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
wavelength
valence electrons
significant figure
product
39. Any process that results in the formation of an ion.
scientific method
ionization
photoelectric effect
periodic law
40. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
continuous spectrum
chemical
noble gas
electronegativity
41. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
volume
hypothesis
SI (Le Système International d'Unités
photon
42. An element that is a poor conductor of heat and electricity
nonmetal
orbital
chemistry
chemical
43. Atoms of the same element that have different masses
halogens
reactant
isotopes
scientific method
44. 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
electronegativity
percent error
system
45. Two quantities that have a constant mathematical product
Spin Quantum Number
Quantum Theory
inverse proportion
homogeneous
46. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
wavelength
mole
model
electron configuration
47. The closeness of a set of measurements of the same quantity made in the same way
heterogeneous
physical change
precision
excited state
48. The 14 elements with the atomic numbers 90-103.
actinide
mass
main-group elements
Avogadro's number
49. No two electrons in the same atom can have the same set of four quantum numbers
gas
Pauli exclusion principle
liquid
weight
50. Something that has magnitude - size - or amount
halogens
precision
quantity
wavelength