2-Year U.S. Treasury Note Continuous Contract $102.781 0.043 0.04% 5-Year U.S. Treasury Note Continuous Contract $106.211 0.133 0.13% 10-Year U.S. Treasury Note Continuous Contract $108.563 0.234 0.22 ...
they have low melting points (increasing up the group from 28°C for Cs to 180°C for Li, whereas typical metals have much higher melting points, such as iron which melts at 1,540°C) they are very soft ...
Elements in the same horizontal row are in the same period. The periods are numbered from top to bottom. The period number is the same as the number of occupied electron shells.