Provide the symbol, location in the periodic table, atomic number, and classify if nonmetal, metalloid, or metal for the given element: rubidium.

• A. Symbol: Rb; Location: Group 1A, Period 5; Atomic number: 37; Metal
• B. Symbol: Ru; Location: Group 2A, Period 5; Atomic number: 38; Metal
• C. Symbol: Rb; Location: Group 2A, Period 4; Atomic number: 37; Nonmetal
• D. Symbol: Ru; Location: Group 1A, Period 4; Atomic number: 38; Nonmetal

Answer: (A)