Chemistry I
Terms
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What is the density of the following material:
35.0 grams that occupies 25.0 cm^3? - 1.40 g/cm^3
- How many significant digits are in 28.0?
- Three
- Pauli's Exclusion Principle
- no two electrons can have the same set of quantum numbers
- Relative tendency of an atom to attract electrons to itself when bonded with another atom
- electronegativity
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Which of the following is a physical change?
a battery charging
alcohol evaporating
digesting food
an explosion - alcohol evaporating
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Which of the following is NOT a chemical property?
reacts with water
dissolves in gasoline
is flammable
is corrosive
- dissolves in gasoline
- Heisenberg Uncertainty Principle
- It is impossible to know both the position and speed of an electron with absolute certainty
- How many neutrons are in the isotope Sulfur-34? The atomic number of sulfur is 16.
- eighteen
- Would an element with two outer electrons be a metal or a non-metal?
- metal
- Which group of elements has eight outer electrons?
- Noble Gases
- Which group of elements on the periodic table tend to have multiple oxidation numbers?
- Transition Metals
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What type of reaction is represented by the following general form?
A + BX ---> AX + B - Single Replacement
- What is the percentage of sodium in sodium sulfate?
- 32.4% Na
- Avogadro's Number
- 6.02 x 10^23
- _____ have a definite volume and take the shape of their container.
- liquids
- Absolute Zero
- -273°C
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What is the name of a compound with the following percentages:
Fe - 70%
O - 30% - Iron(III) oxide
- Common Oxidation Numbers for Iron
- +2, +3
- Group I Periodic Chart
- Alkaline Metals
- What is the correct symbol for calcium?
- Ca
- Which periodic groups for ionic compounds?
- Metals and Nonmetals