Selecting only one bject

Ok I am attempting to learn blender..so pray for me. :)

I'm kinda confused here.

I made a new project and deleted the default cube.

I made one icosphere and the center of the screen. I also made another one to right of the screen.

I deselected both of them when i was in edit mode, and object mode. (So now nothing is selected).

How do i select just one of the spheres?


For some reason I would go into edit mode and use the box tool to select one of the spheres. That works.

BUT!

when i switch to object mode both spheres are selected.


How can i fix this.

I just want to select 1 sphere.

I am totally new to this and since blender does not have "Official Forum" I hoping i can get help here.