Nitrogen has an atomic mass of 14.007 amu. Nitrogen has two common isotopes. One of the isotopes has a mass of 14.003 amu and a relative abundance of 99.632% What is the % abundance of the other isotope? What is the mass of the other isotope?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Which change to the system wood cause the freely-moving piston to lower?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?