Open Chrome
Click the profile icon in the top-right corner
Click the gear icon or select Manage profiles
Choose the profile linked to the Google account
Click the three-dot menu on that profile
Select Delete
Confirm Delete this profile
If you only want to sign out, click the profile icon
Select Turn off sync or Sign out
To remove the account from Google services, go to myaccount.google.com
Select Data & privacy
Scroll to More options
Click Delete your Google Account
Follow the on-screen steps to confirm deletion