Which is the correct empirical formula for the compound formed between magnesium and oxygen?

Which species has 54 protons, 54 electrons, and 78 neutrons?

Which is the correct name for N₂O₄?

Which metric prefix represents 10⁻¹⁵?

If 2 mol H₂ reacts completely with O₂, how many moles H₂O form?

Which is the correct name for Al₂O₃?

How many grams of O₂ are required to completely react with 2.0 mol CH₄ in combustion?(CH₄ + 2O₂ → CO₂ + 2H₂O)

EMS is dispatched to a forest preserve for an adult pt that was struck by lightning. The pt. is located on the ground at the front of a paved entrance that leads to a trail. The storm has passed, with the last reported thunderclap over 30 minutes ago. The patient’s condition is unknown. Your ambulance is staffed with 2 paramedics and also have a fire engine staffed with EMT’s and paramedics to accompany you. Which of these is the most important concern/challenge for EMS to consider while responding?

An 2 year old tripped and fell after losing their balance while running. Pt. struck their head on a tiled floor. They were unable to break the fall in any way. Which of these risk factors increases the possibility for developing a brain hemorrhage (like a subdural)?

Which of the following structures is not generally impinged under the coracoacromial arch