Even in solids there is a small space between the atoms. Depending on how tight the atoms are packed determines the density of matter. This means that a one inch block of wood is not as dense as a one inch block of gold. There is more space between the atoms of the wood than the atoms of the gold.
The total area of Kentucky is 40,409 sq mi (104,659 sq km), of which land makes up 39,669 sq mi (102,743 sq km) and inland water 740 sq mi (1,917 sq km). Kentucky extends about 350 mi (563 km) E-W; its maximum N-S extension is about 175 mi (282 km).
Kentucky, constituent state of the United States of America. Rivers define Kentuckyâs boundaries except on the south, where it shares a border with Tennessee along a nearly straight line of about 425 miles (685 km), and on the southeast, where it shares an irregular, mountainous border with Virginia.