What is the weight of an object that has a mass of 100 kg?
• 100 N
• 200 N
• 980 N

What happens to the atomic radius when an elctron is lost

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

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