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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 pure substance made of only one kind of atom
valence electrons
element
Principle Quantum Number
photoelectric effect
2. Mass is neither created nor destroyed duringordinary chemical or physical reactions
law of conservation of mass
continuous spectrum
pure substance
matter
3. The p-block elements together with the s-block elements.
main-group elements
quantum
Spin Quantum Number
volume
4. Specify the properties of atomic orbitals and the properties of electrons in orbitals.
Quantum Numbers
model
Pauli exclusion principle
alkali metals
5. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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6. A negative ion.
intensive property
anion
model
plasma
7. One wave per second.
physical change
Aufaub principle
hertz
electromagnetic radiation
8. No two electrons in the same atom can have the same set of four quantum numbers
intensive property
periodic table
ion
Pauli exclusion principle
9. 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
excited state
law of multiple proportions
halogens
accuracy
10. The mass of one mole of a pure substance
significant figure
valence electrons
electromagnetic spectrum
molar mass
11. The energy required to remove one electron from a neutral atom of an element.
ionization energy
lanthanide
group
main-group elements
12. A substance that reacts in a chemical change
average atomic mass
reactant
ionization
model
13. An element that has some characteristics of metals and some characteristics of nonmetals
inverse proportion
metalloid
precision
pure substance
14. The d-block elements are metals with typical metallic properties.
orbital
frequency
transition metals
molar mass
15. An element that is a poor conductor of heat and electricity
Angular Momentum Quantum Number
matter
chemical property
nonmetal
16. A specific portion of matter in a given region of space that has been selected for study during an experiment or observation
molar mass
atomic radius
electron configuration
system
17. The state of matter in which a substance has neither definite volume nor definite shape
electron configuration
hypothesis
Magnetic Quantum Number
gas
18. Number of waves that pass a given point in a specific time - usually one second.
inverse proportion
change of state
system
frequency
19. The elements of group 2 of the periodic table.
density
solid
homogeneous
alkaline-earth metals
20. An outer main energy level occupied - in most cases - by 8 electrons
compound
matter
noble gas configuration
quantum
21. Which way it spins. (up or down)
photoelectric effect
periodic table
Spin Quantum Number
reactant
22. The number of protons in the nucleus of each atom of an element
electronegativity
atomic number
mass number
direct proportion
23. Not having a uniform composition throughout
transition metals
heterogeneous
theory
Magnetic Quantum Number
24. 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 multiple proportions
ground state
law of definite proportions
halogens
25. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
Magnetic Quantum Number
photon
homogeneous
law of definite proportions
26. The energy change that occurs when an electron is acquired by a neutral atom.
derived unit
electron affinity
Aufaub principle
law of conservation of mass
27. Minimum quantity of energy that can be lost or gained by an atom.
group
quantum
percent error
Quantum Theory
28. The measurement system accepted worldwide
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29. A unit that is a combination of SI base units
conversion factor
derived unit
scientific notation n where the factor M is a scientific notation
periodic law
30. The total amount of energy level an atom has.
Principle Quantum Number
derived unit
molar mass
atomic number
31. A 3D region around the nucleus that indicates the probable location of an electron.
model
orbital
chemical reaction
average atomic mass
32. Any substance that has a definite composition
electromagnetic radiation
frequency
compound
chemical
33. A blend of two or more kinds of matter - each of which retains its own identity and properties
system
scientific notation n where the factor M is a scientific notation
mixture
main-group elements
34. The ratio of mass to volume or mass divided by volume
density
Quantum Theory
mass
SI (Le Système International d'Unités
35. An atom or group of bonded atoms that has a positive or negative charge.
ion
metalloid
ground state
ionization energy
36. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
halogens
photoelectric effect
pure substance
periodic law
37. The suborbitals of an atom. (S - P - D - F)
Angular Momentum Quantum Number
intensive property
product
physical change
38. The amount of space occupied by an object
volume
wavelength
hypothesis
Quantum Theory
39. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
electromagnetic radiation
precision
product
40. A vertical column of the periodic table
precision
conversion factor
family
Aufaub principle
41. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
alkali metals
Angular Momentum Quantum Number
mass
valence electrons
42. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
anion
transition metals
mole
Spin Quantum Number
43. Any process that results in the formation of an ion.
system
nuclide
ionization
orbital
44. Lowest energy state of an atom.
scientific notation n where the factor M is a scientific notation
ground state
homogeneous
reactant
45. The state of matter in which the substance has definite volume and definite shape
precision
metalloid
solid
Quantum Theory
46. The smallest unit of an element that maintains the properties of that element
excited state
photon
atom
pure substance
47. Something that has magnitude - size - or amount
chemical reaction
mole
quantity
matter
48. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
scientific method
physical change
ion
solid
49. Describes mathematically the wave properties of electrons and other very small particles.
chemical
Heisenberg Uncertainty Principle
isotopes
Quantum Theory
50. A substance that is formed by a chemical change
product
valence electrons
ionization energy
mass number