Yes, you can delete your account. You will not be able to open a new account with the same email address.
If you want to remove an account from your Chrome browser, follow these instructions:Open the Google Chrome browser and click on the menu button in the top right corner of the window.Select Settings.Scroll down to “People” and select Manage other people under “Other people on Chrome”.Choose which account you would like to delete by clicking on it then click Remove person at the bottom of the page.