SKILL: Chemical Families
1. For each of the elements listed below tell whether they are classified as a metal or a nonmetal.
a. selenium b. cobalt c. tin
d. antimony e. strontium f. iron
g. bromine h. krypton i. phosphorus
j. gallium k. palladium l. europium
m. tellurium n. chlorine o. zirconium
2. Find those elements in the list above that would be considered "metalloids."
3. Find the one element in the list above that would show the "strongest" metallic properties.
4. Find the one element in the list above that would show the "strongest" nonmetallic properties.
5. Check your periodic table to find two elements that belong to the alkali metals family. One of these elements you pick must have the "strongest" metallic properties and the other must have the "weakest" metallic properties.
6. Check your periodic table to find two elements that belong to the alkaline-earth metals family. One of these elements you pick must have the "strongest" metallic properties and the other must have the "weakest" metallic properties.
7. Check your periodic table to find the two elements that belong to the halogen family of nonmetals. One of these elements you pick must have the "strongest" nonmetallic properties and the other must have the "weakest" nonmetallic properties.
8. From your answers to questions 5-7 what do you discover about metallic and nonmetallic properties? Write this in a sentence. Explain this behavior using electrons.
9. For each of the elements listed below identify which chemical family it belongs to:
a. sodium b. silver c. chlorine
d. oxygen e. neon f. magnesium
g. iodine h. rubidium i. beryllium
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