My oven wont heat after replacing element?

I noticed it taking a lot longer to cook a pizza in my oven and after some research i discovered that the element was burned completely in half. I found much to my surprise that sears was one of the cheapest to get the part from so i ordered it and replaced it. after which i turn on the oven and nothing happens. I have checked my connections and everything seems to b good any suggestions? its a kenmore model number 790.96419407