1 A physical change, such as a state change or dissolving, does not create a new substance, but a chemical change does. 2  In a chemical reaction, the atoms and molecules that interact with each other are called reactants. 3  In a chemical reaction, the atoms and molecules produced by the reaction are called products.
FidelityÂ® Defined Maturity Funds. Defined Maturity Funds (DMFs) are an innovative way to invest in municipal bonds. Like Fidelity's other municipal bond funds, DMFs offer professional management, diversification, and seek to provide federally tax-exempt monthly income. They can also be sold at the end of each business day at their net asset value.
Gold ETF. Gold backed Exchange Traded Funds (ETFs) are securities designed accurately to track the price. BullionVault simply allows private individuals to buy gold bullion and own it directly as personal property - storing it in one or more of their choice of high security accredited vaults situated around the world.