CHEM 101 Exam 1 Questions and Answers All Correct
Where are periods on the periodic table? - Answer They go across
Where are groups on the periodic table? - Answer They go down
What are the metalloids in the periodic table?(6) - Answer B, Si, As, Te, Ge, Sb
What are the non-metals i...
CHEM 101 Exam 1 Questions and
Answers All Correct
Where are periods on the periodic table? - Answer ✔ They go across
Where are groups on the periodic table? - Answer ✔ They go down
What are the metalloids in the periodic table?(6) - Answer ✔ B, Si, As, Te, Ge, Sb
What are the non-metals in the periodic table? (18) - Answer ✔ H, He, C, N, O, F, Ne,
P, S, Cl, Ar, Se, Br, Kr, I, Xe, At, Rn
What are the noble gases? - Answer ✔ Group 18
What are the halogens? - Answer ✔ Group 17
What are the alkali metals? - Answer ✔ Group 1 NO H
What are the alkaline earth metals? - Answer ✔ Group 2
What are the transition metals? - Answer ✔ The entire D block
What creates the mass number? - Answer ✔ Protons+neutrons
When 2 like charges interact, which of the following gives the highest energy? - Answer
✔ Large charges close together
What is the trend for ionization energy? - Answer ✔ Diagonal right
What is the trend for atomic radius? - Answer ✔ Diagonal left
What is the trend for electron affinity? - Answer ✔ Diagonal right
What is the trend for electronegativity? - Answer ✔ Diagonal right
What are the two different strategies for using conversion factors for quantifying
elements? - Answer ✔ Step-wise and one-step method
, What is the stepwise method? - Answer ✔ use Avogadro' number and the molar mass
of the element in question. We will simply apply those conversion factors in whatever
order needed to find the unit of interest.
What is the one-step method? - Answer ✔ We will ask what is in one mole of the
element, both in the units given, and the units desired. Then we will construct a
conversion factor using those units.
What is coulomb's law equation for energy? - Answer ✔ E=(kq1q2)/εr
What is coulomb's law equation for force? - Answer ✔ F=(kq1q2)/εr^2
H - Answer ✔ Hydrogen
He - Answer ✔ Helium
Li - Answer ✔ Lithium
Be - Answer ✔ Beryllium
B - Answer ✔ Boron
C - Answer ✔ Carbon
N - Answer ✔ Nitrogen
O - Answer ✔ Oxygen
F - Answer ✔ Fluorine
Ne - Answer ✔ Neon
Na - Answer ✔ Sodium
Mg - Answer ✔ Magnesium
Al - Answer ✔ Aluminum
Si - Answer ✔ Silicon
P - Answer ✔ Phosphorus
S - Answer ✔ Sulfur
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