In an experiment, a student needs to know the mass the student use?
of four different objects: a shoe, piece of paper, book, and a tissue. Which of the following units of measurement should
Milligram
Ounce
Gram
Kilogram

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 true according to the second law of thermodynamics

Which element below could be an isotope of berylliumsodium-10beryllium-10boron -9carbon-9