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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. An element that is a good conductor of heat and electricity
continuous spectrum
law of conservation of mass
metal
plasma
2. The d-block elements are metals with typical metallic properties.
matter
transition metals
law of conservation of mass
continuous spectrum
3. A substance that is made from the atoms of two or more elements that are chemically bonded
percent error
law of definite proportions
electronegativity
compound
4. A substance that is formed by a chemical change
mole
Angular Momentum Quantum Number
product
metalloid
5. An explanation of how phenomena occur and how data or events are related
change of state
model
density
physical property
6. A vertical column of the periodic table
family
lanthanide
derived unit
theory
7. A change in which one or more substances are converted into different substances
theory
chemical change
line-emission spectrum
weight
8. 1/2 the distance between the nuclei of identical atoms that are bonded together.
atomic radius
inverse proportion
Heisenberg Uncertainty Principle
Spin Quantum Number
9. The total number of protons and neutrons in the nucleus of an isotope
accuracy
extensive property
mass number
halogens
10. The mass of one mole of a pure substance
ionization energy
model
molar mass
Quantum Numbers
11. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
transition metals
chemistry
percent error
family
12. A physical change of a substance from one state to another
change of state
halogens
electron configuration
ion
13. The p-block elements together with the s-block elements.
main-group elements
excited state
actinide
photoelectric effect
14. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
noble gas configuration
electronegativity
Magnetic Quantum Number
atomic mass unit
15. The Group 18 elements (helium - neon - argon - krypton - xenon - and radon)
Magnetic Quantum Number
heterogeneous
matter
noble gas
16. Two quantities that give a constant value when one is divided by the other
continuous spectrum
ionization
direct proportion
valence electrons
17. The elements of group 1 of the periodic table.
transition metals
alkali metals
electromagnetic radiation
ionization
18. The state of matter in which a substance has neither definite volume nor definite shape
anion
cation
electron configuration
gas
19. A form of energy that exhibits wavelike behavior as it travels through space (3.00x108 m/s)
law of multiple proportions
matter
electromagnetic radiation
plasma
20. Any process that results in the formation of an ion.
atom
ionization
extensive property
matter
21. The energy required to remove one electron from a neutral atom of an element.
ionization energy
chemical change
quantum
nonmetal
22. One wave per second.
pure substance
mass number
average atomic mass
hertz
23. A 3D region around the nucleus that indicates the probable location of an electron.
alkaline-earth metals
atom
hertz
orbital
24. The amount of a substance that contains as many particles as there areatoms in exactly 12 g of carbon-12
theory
nonmetal
atom
mole
25. Mass is neither created nor destroyed duringordinary chemical or physical reactions
plasma
valence electrons
law of conservation of mass
heterogeneous
26. The state of matter in which the substance has definite volume and definite shape
solid
extensive property
isotopes
chemical
27. Atoms of the same element that have different masses
physical property
weight
law of conservation of mass
isotopes
28. A pure substance made of only one kind of atom
chemical reaction
model
atom
element
29. An atom or group of bonded atoms that has a positive or negative charge.
main-group elements
direct proportion
ion
reactant
30. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
alkali metals
matter
valence electrons
homogeneous
31. The measurement system accepted worldwide
32. An element that has some characteristics of metals and some characteristics of nonmetals
physical property
Aufaub principle
metalloid
atomic mass unit
33. A characteristic that can be observed or measured without changing the identity of the substance
weight
hypothesis
SI (Le Système International d'Unités
physical property
34. The elements of group 2 of the periodic table.
alkaline-earth metals
lanthanide
Principle Quantum Number
heterogeneous
35. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
model
frequency
scientific method
significant figure
36. Emission of electrons from a metal when light shines on a metal.
alkaline-earth metals
Spin Quantum Number
photoelectric effect
electronegativity
37. States that it is impossible to determine simultaneously both the position and velocity of an electron or any other particle.
periodic table
chemistry
Heisenberg Uncertainty Principle
hertz
38. A reaction in which one or more substances are converted into different substances
density
reactant
ionization
chemical reaction
39. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
system
periodic law
precision
liquid
40. A property that depends on the amount of matter that is present
extensive property
main-group elements
ionization
line-emission spectrum
41. 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.
42. The ratio of mass to volume or mass divided by volume
derived unit
quantum
density
excited state
43. The arrangement of electrons in an atom
average atomic mass
electron configuration
compound
chemistry
44. 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 definite proportions
reactant
quantum
wavelength
45. The smallest unit of an element that maintains the properties of that element
chemical change
transition metals
electron configuration
atom
46. An electron occupies the lowest-energy orbital that can receive it
Aufaub principle
ionization energy
plasma
direct proportion
47. The closeness of a set of measurements of the same quantity made in the same way
Hund's rule
compound
precision
law of conservation of mass
48. 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
nuclide
weight
significant figure
49. State in which an atom has a higher potential energy than it has in it's ground state.
excited state
noble gas
Spin Quantum Number
Avogadro's number
50. 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
electromagnetic radiation
scientific notation n where the factor M is a scientific notation
system
law of multiple proportions