Easy and important what do you think is the most challenging aspect of using a microscope? what are the advantages and disadvantages of using a microscope to look at trace evidence?

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

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

What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br