Question

19 identify the element based on the information below: located in period 5, transition element, 51 neutrons and 41 protons

Explanation:

Step1: Recall element - identification rule

The atomic number of an element is equal to the number of protons.

Step2: Determine the atomic number

Given 41 protons, the atomic number $Z = 41$.

Step3: Identify the element

Looking at the periodic - table, the element with atomic number 41 is niobium (Nb).

Answer:

niobium (Nb)