According to Hund's rule, the lowest (ground) state of the silicon atom Group of answer choices has 2 unpaired electrons has four different orbitals less than fully occupied has three sets of paired valence electrons

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

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

How does blood clotting prevent the entry of pathogens through cuts and wounds? answer asap,, this is due tomorrow. will mark as brainliest or whatever you call it : )