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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 ability of a substance to undergo a change that transforms it into a different substance
chemical property
percent error
hertz
liquid
2. A value calculated by subtracting the experimental value from the accepted value - dividing the difference by the accepted value - and then multiplying by 100
gas
extensive property
percent error
model
3. 1/2 the distance between the nuclei of identical atoms that are bonded together.
Pauli exclusion principle
nonmetal
Heisenberg Uncertainty Principle
atomic radius
4. Which suborbital. (Py - Px - Pz)
molar mass
Magnetic Quantum Number
group
alkali metals
5. The state of matter in which a substance has neither definite volume nor definite shape
physical change
photoelectric effect
SI (Le Système International d'Unités
gas
6. The arrangement of electrons in an atom
chemical property
frequency
electron configuration
chemical
7. A reaction in which one or more substances are converted into different substances
atomic mass unit
volume
significant figure
chemical reaction
8. Emission of electrons from a metal when light shines on a metal.
nonmetal
line-emission spectrum
photoelectric effect
hertz
9. A testable statement
hypothesis
element
electromagnetic spectrum
electronegativity
10. A physical change of a substance from one state to another
excited state
frequency
anion
change of state
11. Minimum quantity of energy that can be lost or gained by an atom.
law of definite proportions
system
quantum
atom
12. One wave per second.
hertz
Hund's rule
scientific notation n where the factor M is a scientific notation
weight
13. Combination of all the forms of electromagnetic radiation.
physical change
electromagnetic spectrum
volume
direct proportion
14. No two electrons in the same atom can have the same set of four quantum numbers
Pauli exclusion principle
chemistry
physical property
quantum
15. The elements of group 2 of the periodic table.
orbital
alkaline-earth metals
period
ion
16. The electrons available to be lost - gained - or shared in the formation of chemical compounds.
Pauli exclusion principle
Hund's rule
product
valence electrons
17. The energy change that occurs when an electron is acquired by a neutral atom.
periodic law
ionization
electron affinity
Quantum Theory
18. Number of waves that pass a given point in a specific time - usually one second.
product
frequency
noble gas
metal
19. A substance that reacts in a chemical change
transition metals
chemistry
chemical reaction
reactant
20. A change in a substance that does not involve a change in the identity of the substance
physical change
atomic mass unit
precision
lanthanide
21. A logical approach to solving problems by observing and collecting data - formulating hypotheses - testing hypotheses - and formulating theories that are supported by data
family
group
quantum
scientific method
22. A substance that is formed by a chemical change
product
family
direct proportion
group
23. The total number of protons and neutrons in the nucleus of an isotope
heterogeneous
mass number
Aufaub principle
alkali metals
24. Particle of electromagnetic radiation having zero mass and carrying a quantum of energy.
wavelength
alkali metals
family
photon
25. A high-temperature physical state of matter in which atoms lose their electrons
Angular Momentum Quantum Number
Pauli exclusion principle
plasma
group
26. A short-range proton-neutron - proton-proton - or neutrorce that holds the nuclear particles together
metal
Heisenberg Uncertainty Principle
nuclear force
nonmetal
27. Which way it spins. (up or down)
Pauli exclusion principle
Spin Quantum Number
compound
nuclide
28. The general term for any isotope of any element
reactant
nuclide
Heisenberg Uncertainty Principle
quantity
29. Numbers written in the form M ×10 number greater than or equal to 1 but less than 10 and n is a whole number
group
scientific notation n where the factor M is a scientific notation
actinide
halogens
30. 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
valence electrons
excited state
mass
31. A negative ion.
atomic number
accuracy
anion
ground state
32. Two quantities that give a constant value when one is divided by the other
percent error
noble gas configuration
conversion factor
direct proportion
33. A measure of the gravitational pull on matter
model
weight
noble gas
law of definite proportions
34. The energy required to remove one electron from a neutral atom of an element.
atom
ionization energy
accuracy
plasma
35. The physical and chemical properties of the elements are periodic functions of their atomic numbers.
volume
periodic law
quantum
main-group elements
36. 6.022 1367 × 1023; the number of particles in exactly onemole of a pure substance
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37. A horizontal row of elements in the periodic table
extensive property
period
Angular Momentum Quantum Number
mole
38. A substance that has a fixed composition and differs from a mixture in that every sample of a given pure substance has exactly the same characteristic properties and composition
ionization
pure substance
matter
element
39. Anything that has mass and takes up space
actinide
chemical change
atom
matter
40. The study of the composition - structure - and properties of matter and the changes it undergoes
transition metals
chemical change
chemical property
chemistry
41. 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.
hertz
electromagnetic radiation
density
periodic table
42. A property that depends on the amount of matter that is present
Principle Quantum Number
chemical reaction
noble gas configuration
extensive property
43. A property that does not depend on the amount of matter present
intensive property
element
significant figure
accuracy
44. An element that has some characteristics of metals and some characteristics of nonmetals
mass number
Pauli exclusion principle
scientific notation n where the factor M is a scientific notation
metalloid
45. The p-block elements together with the s-block elements.
derived unit
transition metals
main-group elements
periodic table
46. A measure of the amount of matter
mass
cation
percent error
hypothesis
47. The number of protons in the nucleus of each atom of an element
liquid
chemical change
atomic number
electromagnetic spectrum
48. A vertical column of the periodic table
solid
family
mass number
ion
49. A unit that is a combination of SI base units
ionization
Quantum Numbers
homogeneous
derived unit
50. Mass is neither created nor destroyed duringordinary chemical or physical reactions
law of conservation of mass
atomic radius
continuous spectrum
extensive property