Question

select the correct answer. mercury is in the 80th position in the periodic table. how many protons does it have? a. 8 b. 40 c. 80 d. 160

Explanation:

Step1: Recall atomic number property

The atomic number of an element in the periodic - table is equal to the number of protons in its nucleus.

Step2: Identify mercury's atomic number

Mercury has an atomic number of 80. So, it has 80 protons.

Answer:

C. 80