When you walk across a carpet, you become negatively charged. why do you receive a shock when you touch a metal door handle? electrons jump from you to the handle protons jump from you to the handle electrons jump from the handle to you protons jump from the handle to you

Electrons from the door handle jump onto you.

→ Remember, only electrons can be shared, so there is no way protons nor neutrons could "jump" onto you.

Why exactly does this happen?

When you walk through the carpet, you get charged, because of the friction  caused by your shoes while walking. So, when you get charged, the electrons on the door handle interact with you.

Hope it helped,

BioTeacher101

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

where is the diagram?

if you insert the diagram ill be able to you