is it a tree?
Yes, a medium to large sized tree.
Acer rubrum
. It is a medium to large sized tree, reaching heights of and exceptionally over in the southern Appalachians where conditions favor its growth. 
the red maple is also known as acer rubrum. its scientific name is Yes, the scientific name of red maple is Acer rubrum.
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Acer rubrum [SEP] Description
Though "A. rubrum" is usually easy to identify, it is highly changeable in morphological characteristics. It is a medium to large sized tree, reaching heights of and exceptionally over in the southern Appalachians where conditions favor its growth. The leaves are usually long on a full-grown tree. The trunk diameter often ranges from ; depending on the growing conditions, however, open grown trees can attain diameters of up to . The trunk will remain free of branches until some distance up the tree on forest grown trees, while individuals grown in the open are shorter and thicker with a more rounded crown.