Question

i am an alkali metal located in the second period of the periodic table. who am i? view periodic table tap on an option below to select or deselect an answer. lithium (li) sodium (na) calcium (ca) magnesium (mg) titanium (ti) neon (ne) beryllium (be) argon (ar)

Explanation:

Alkali metals are Group 1 elements. The second period of the periodic table includes elements with a principal quantum number \(n=2\). The only Group 1 element in the second period is Lithium (Li). Other options: Sodium is in Period 3; Calcium, Magnesium, Beryllium are alkaline earth metals; Titanium is a transition metal; Neon and Argon are noble gases.

Answer:

Lithium (Li)