Here ya go if you need the link we’re I found this answer key https://studylib.net/doc/8708211/exam-2---chemistry
Answer:
filtration is the process of using a filter to remove solids from liquids or gasses.
Example:
an example of this is tea.
Answer:
If a fluorine atom gains an electron, it becomes a fluoride ion with an electric charge of -1.
Explanation:
hope this helps
pls mark brainliest
A) all mechanical waves need a medium to travel through.
This is true because mechanical waves move in a wave like manner at the atomic level. This is why an table vibrates when you put a speaker on top of it .