Question

The symbol of the element in period 2, group IIIA (13) is

a. Mg

b. Be

c. Al

d. B

Answer 1

The symbol of the element in period 2, group IIIA (13) is Aluminum (Al).

Step-by-step explanation:

The symbol of the element in period 2, group IIIA (13) is c. Al (Aluminum).

In the periodic table, the elements are arranged in rows called periods and columns called groups or families. The number of the period represents the energy level or shell of the element, while the number of the group represents the number of valence electrons or outermost electrons.

In period 2, the element in group IIIA (13) is Aluminum (Al). It has the electron configuration [Ne]3s²3p¹ and is a metal.