Magnesium has two electrons in its valence shell, whereas chlorine has seven. which element is more likely to form a positive ion a magnesium b magnesium c chlorine d chlorine

How many miles of calcium oxide will be produced when 1.6 miles of iron (iii) oxide react with calcium phosphate

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Which statement best describes the function of enzymes?