Question

question 11. a scientist is analyzing an element in the laboratory. the element has 12 protons, and the total number of particles (protons and neutrons) in its nucleus is 24. the scientist wants to calculate both the mass number and the number of neutrons in this element. use the drag - and - drop labels below to complete the formulas for finding the mass number and the number of neutrons for this element. mass number = + number of neutrons = - number of electrons number of protons number of neutrons mass number atomic number

Explanation:

Step1: Recall mass - number formula

The mass number ($A$) of an element is the sum of the number of protons ($p$) and the number of neutrons ($n$). So, Mass Number = Number of Protons+Number of Neutrons.

Step2: Recall neutron - number formula

The number of neutrons ($n$) can be found by subtracting the number of protons ($p$) from the mass number ($A$). So, Number of Neutrons = Mass Number - Number of Protons.

Answer:

Mass Number = Number of Protons+Number of Neutrons
Number of Neutrons = Mass Number - Number of Protons