A particular element exists in two stable isotopic forms. One isotope has a mass of 62.9296 amu (69.17% abundance). The other isotope has a mass of 64.9278 amu. Calculate the average mass of the element and determine its identity.

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

This drawing shows a human body system. what is the primary function of this body system?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy