How can I put the words: solute, solvent, solution, and covalent bonds. In a paragraph?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

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 correct lewis dot structure for arsenic?