Hi Tina,
We appreciate your question about the heating elements of the oven.
There are only 2 heating elements in the oven cavity. In the top where the broil element is and at the bottom underneath the metal covering.
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
When you message us, provide them this number 1144922565 and it will help our team pull up your information.
Leo