1. Identify the following element from the following:
a. The smallest noble gas atom.
b. 3 valence electrons in Period 4.
c. The element in period 2 with 7 valence e-.
d. Halogen in Period 5.
e. The most reactive alkali metal.
f. Alkaline earth metal in Period 6.
G. Metalloid in Period 2.
H. Nonmetal in Group 14.
i. Element in period 3 that forms a +2 ion.
j. Element in period 5 that forms a –1 ion.
k. Most Electronegative element in period 4.
l. Element with the least ionization energy in Group 1.
m. Most reactive element in Group 16.
n. Element with the largest radius in Period 3.
o. Element with the most ionization energy in Period 2.
p. Least Electronegative halogen.
q. Least reactive alkaline earth metal.
r. Smallest ionization energy of the noble gases.
s. Period 6 transition metal with greatest electronegativity
t. Alkaline earth metal with biggest ionic radius
2. Combine the following metal and nonmetal atoms to form ionic bonds.
* Write the oxidation number for each element.
* Please draw the Lewis dot structure for the ions, and show the transfer of electrons.
* Finally, write the final ionic compound.
a. Sodium and sulfur
b. Be and Cl
c. Rubidium and fluorine
d. Al and O
e. Calcium and selenium
f.
K and Br
2. Combine the following metal and nonmetal atoms to form ionic bonds.
* Write the oxidation number for each element.
* Please draw the Lewis dot structure for the ions, and show the transfer of electrons.
* Finally, write the final ionic compound.
g. Sodium and sulfur
h. Be and Cl
i.
Rubidium and fluorine
j.
Al and O
k. Calcium and selenium
l.
K and Br
3. For each of the following, label as a metal, nonmetal, metalloid.
a.
________________ poor conductor of electricity
b. ________________ usually a solid at room temp
c.
________________ ductile
d. ________________chlorine
e.
________________ semiconductor
f.
________________silicon
g.
________________ malleable
h. ________________ usually a gas at room temp
i.
________________ cobalt
j.
________________ good conductor of heat
k.
________________ brittle
l.
________________ oxygen
3. The elements in group _________ are the most reactive metals.
4. The elements in group _________ are the most reactive nonmetals.
5. The elements in group _________ are very unreactive.
6. The elements in group _________ react very violently with water.
7. Describe the trend for each of the following, and describe how Zeff nuclear charge and shielding affect each trend.
On each periodic table, label the element that has the highest qualities of that trend. (ie – most electronegative,
largest atomic radius etc)
a. Electronegativity
b. Ionization energy
c. Atomic Radius
d. Reactivity (metals and nommetals)