September 30, 2010: Purchase of paper savings bonds through payroll sales for federal employees eliminated. December 31, 2011: Sales for over-the-counter (OTC) paper savings bonds ceased, marking the end of paper savings bonds, with one exception. Can you buy a savings bond at the post office? While investors formerly wereRead More →
The Treasury gives you two options: Report interest each year and pay taxes on it annually. Defer reporting interest until you redeem the bonds or give up ownership of the bond and it’s reissued or the bond is no longer earning interest because it’s matured. Do you have to reportRead More →
A disulfide bond is a covalent bond between two sulfur atoms (–S–S–) formed by the coupling of two thiol (–SH) groups. Cysteine, one of 20 protein amino acids, has a –SH group in its side chain, and can easily be dimereized to cystine in aqueous solution by forming a disulfideRead More →
Explanation: Due to their bonding, metallic solids have delocalised electrons. These free electrons can move around, therefore can conduct electricity. Do metallic bonds conduct electricity as a solid and liquid? Compounds of metals do not conduct electricity as a solid, but metals are good conductors of electricity. Why do metallicRead More →
A bond in which the electronegativity difference between the atoms is between 0.4 and 1.7 is called a polar covalent bond. A polar covalent bond is a covalent bond in which the atoms have an unequal attraction for electrons and so the sharing is unequal. Are ionic bonds polar orRead More →
You can buy Treasury bonds from us in TreasuryDirect. You also can buy them through a bank or broker. (We no longer sell bonds in Legacy Treasury Direct, which we are phasing out.) You can hold a bond until it matures or sell it before it matures. What is aRead More →
A bond trades at a premium when its coupon rate is higher than prevailing interest rates. A bond trades at a discount when its coupon rate is lower than prevailing interest rates. What is bond sold at discount? A bond issued at a discount has its market price below theRead More →
Noble gases are a unique set of elements in the periodic table because they don’t naturally bond with other elements. What holds noble gases together? Noble gases have full electron shells, which virtually blocks any other element from bonding with it. Why do noble gases not bond with other elements?Read More →