Observations, surveys, and models.
B: 2
If it's right plz give brainliest lol <3
3644000 rounded to 2 significant figures is equivalent to 3.6
At STP one mole of any gas occupies 22.4 L
moles NO2 = 99.0/22.4 = 4.42
mass NO2 = 4.42 mol x 46.0 g/mol=203 g
Answer:
Mercury
Explanation:
Mercury is a liquid element that contains 80 electrons when not charged.