Those elements are called "metaloids".
The Pyrénées is the mountain range located on the border between France and Spain.
The Iron Gate is a gorge on the Danube river. It is located on the border between Serbia and Romania.
K2 is located in the Karakoram Range on the border between Pakistan and China.
The Hoover Dam is located on the border between Nevada and Arizona.
There is no border between Israel and Yemen, and no lake that even touches both of them.
Andorra
tamaulipas is located at the north between the border of Mexico and the united states
Mount Elgon is located on the border between Uganda and Kenya.
The Dead Sea
Oji River
The Jordan River.
egipshan falls