D. Beta radiation ionizes the air. When smoke
interacts with the ionized particles it causes the
alarm to sound.
Answer:
the weight of the atmosphere pressing down on Earth
Answer:
B.
Explanation:
Increased stability in fluoride ion.
Answer:
So the molar mass of a chemical compound is defined as the mass of a sample of that compound is divided by the amount of the substance in that sample measured in the moles.