You have 125 g of a certain seasoning and are told that it contains 88.0 g of salt. what is the percentage of salt by mass in this seasoning?

88/125 x 100 = 70.4%
the compound contains 70.4% of salt

Engineers have contribute to society in many ways like making the technology we use today or any type of power energy material

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom