1. Find and identify the element in period 5, group 4A. Is this a metal, nonmetal, or a metalloid?
ANSWER: The element is Sn (Tin)

2. Answer the following question for the elements scandium through zinc.

a) Are they metals, nonmetals, or metalloids? ANSWER: Metals

b) Are they considered main group elements, transition elements, or inner transition elements? ANSWER: Transition elements (Tin)

c) Provide the name of an element that would have similar chemical properties to Sb. ANSWER: Any element in Group 5A

3. Give the names and symbols of the alkali metals and the halogens.
ANSWER: Alkali metals: Li (lithium), Na (sodium), K (potassium), Rb (rubidium), Cs (cesium),Fr (francium) Halogens: F (fluorine), Cl (chlorine), Br (bromine), I (iodine)

4. Provide an example of each of the following: metal, nonmetal, metalloid, alkali metal, transition element, inner transition element, lanthanide, d-block element, noble gas, halogen, alkaline earth metal, and an s-block element.

ANSWER: metal sodium; nonmetal, oxygen; metalloid, arsenic; alkali metal, sodium; transition element, copper; inner transition metal, neodymium; lanthanide, cerium; d-block element, any transition element; noble gas, any element in Group 8A; halogen; any element in Group 7A; alkaline earth metal, any element in Group 2A; s-block element, any element in Group 1A

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