Which of the following is a reasonable ground-state electron configuration? 1s22s22p63s23p64s24d4 1s21p62s22p3 1s22s22p63s23p64s23d1 1s22s22p43s2

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

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