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

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

the objects have the same charge is correct.

nathan lee