Answer:
Potassium fluoride
Explanation:
Because potassium is strongly electropositive combined ionically with Fluorine which is highly electronegative this has the greatest tendency of been ionic
Answer:
Mercury
Explanation: Under standard conditions mercury is a shiny, heavy, silvery liquid. It is the only metal that is liquid at room temperature.
Answer:
Air is less dense on a mountaintop than at sea level.
Air pressure is lower at low altitudes.
As you climb a mountain, air pressure increases.
More force pushes on the air at the bottom of an air column.
As you descend a mountain, air molecules are closer together.
Explanation:
Answer: it gets inside the air and then it infects the air's resourses
Explanation: