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20 Cards in this Set

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  • Back
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
Which of the following is a physical change?

a battery charging
alcohol evaporating
digesting food
an explosion
alcohol evaporating
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
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
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