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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 amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
extensive property
liquid
mole
heterogeneous
2. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
derived unit
chemical property
heterogeneous
3. 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.
precision
alkaline-earth metals
atom
periodic table
4. Which suborbital. (Py - Px - Pz)
Magnetic Quantum Number
family
matter
product
5. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
atomic mass unit
Heisenberg Uncertainty Principle
percent error
photoelectric effect
6. The elements of group 17 of the periodic table.
element
lanthanide
reactant
halogens
7. Mass is neither created nor destroyed duringordinary chemical or physical reactions
law of conservation of mass
periodic law
change of state
electron configuration
8. The total number of protons and neutrons in the nucleus of an isotope
quantum
noble gas configuration
mass
mass number
9. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
Pauli exclusion principle
scientific notation n where the factor M is a scientific notation
chemical
element
10. The smallest unit of an element that maintains the properties of that element
atom
metalloid
precision
significant figure
11. Number of waves that pass a given point in a specific time - usually one second.
molar mass
density
frequency
ion
12. 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
law of conservation of mass
law of definite proportions
metalloid
extensive property
13. 1/2 the distance between the nuclei of identical atoms that are bonded together.
line-emission spectrum
atomic radius
element
Spin Quantum Number
14. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
periodic law
law of definite proportions
nuclide
physical property
15. A change in a substance that does not involve a change in the identity of the substance
physical change
chemistry
accuracy
solid
16. A horizontal row of elements in the periodic table
electron affinity
ionization
Hund's rule
period
17. Something that has magnitude - size - or amount
quantity
accuracy
law of definite proportions
period
18. The d-block elements are metals with typical metallic properties.
homogeneous
mass number
photoelectric effect
transition metals
19. Two quantities that give a constant value when one is divided by the other
quantum
hertz
ground state
direct proportion
20. The 14 elements with the atomic numbers 90-103.
chemical property
anion
line-emission spectrum
actinide
21. The measurement system accepted worldwide
22. The elements of group 1 of the periodic table.
atom
metalloid
chemical
alkali metals
23. Any process that results in the formation of an ion.
electromagnetic spectrum
atomic number
system
ionization
24. A substance that is made from the atoms of two or more elements that are chemically bonded
accuracy
nuclear force
compound
Avogadro's number
25. A characteristic that can be observed or measured without changing the identity of the substance
pure substance
physical property
frequency
product
26. Lowest energy state of an atom.
ground state
weight
product
precision
27. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
atomic number
photon
ionization
anion
28. Combination of all the forms of electromagnetic radiation.
halogens
significant figure
electromagnetic spectrum
metal
29. The energy change that occurs when an electron is acquired by a neutral atom.
cation
atom
electron affinity
nuclear force
30. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
31. 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
valence electrons
quantity
family
law of multiple proportions
32. A property that depends on the amount of matter that is present
excited state
halogens
extensive property
main-group elements
33. An outer main energy level occupied - in most cases - by 8 electrons
mixture
valence electrons
noble gas configuration
nuclide
34. A unit that is a combination of SI base units
average atomic mass
atom
derived unit
Magnetic Quantum Number
35. The arrangement of electrons in an atom
electron configuration
main-group elements
mass
electron affinity
36. An atom or group of bonded atoms that has a positive or negative charge.
change of state
law of definite proportions
halogens
ion
37. The smallest unit of an element that maintains the properties of that element
ground state
atom
ionization energy
valence electrons
38. The weighted average of the atomic masses of thenaturally occurring isotopes of an element
electronegativity
orbital
average atomic mass
hertz
39. State in which an atom has a higher potential energy than it has in it's ground state.
scientific notation n where the factor M is a scientific notation
Aufaub principle
excited state
noble gas configuration
40. A change in which one or more substances are converted into different substances
Heisenberg Uncertainty Principle
alkali metals
chemical change
isotopes
41. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
Quantum Theory
noble gas
electron configuration
Avogadro's number
42. The elements of group 2 of the periodic table.
family
alkaline-earth metals
law of conservation of mass
periodic law
43. A broad generalization that explains a body of facts or phenomena
theory
family
change of state
density
44. The state of matter in which the substance has definite volume and definite shape
photon
solid
quantum
gas
45. Having a uniform composition throughout
theory
Angular Momentum Quantum Number
homogeneous
continuous spectrum
46. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
homogeneous
Heisenberg Uncertainty Principle
ion
gas
47. A positive ion.
volume
cation
alkaline-earth metals
accuracy
48. A property that does not depend on the amount of matter present
intensive property
solid
orbital
group
49. Atoms of the same element that have different masses
scientific method
chemical
isotopes
quantum
50. The amount of space occupied by an object
electron affinity
volume
cation
chemical reaction