Excel automatically inserts the graph, but it has no labels. Review the new green "Chart Tools" tab and ribbon at the top of the screen. If you don't see them, click the chart to enable them.

If you want to add labels to the bubbles in an Excel bubble chart, you have to do it after you create the chart. Mary Ann Richardson explains what you need to do to add a data label to each bubble.

In such cases, you can add space by indenting the data in one of the columns. You can also increase the space between columns in your Excel chart using the Data Series formatting tool. Data Columns ...

In the Format Data Series pane, click Secondary Axis and change the Gap Width to 500%, as shown in Figure G. Doing so reduces the bar’s width so it looks less like a column and more like a line.