C) Fluorine is the most reactive among halogens
Those are types of water on a pH scale 7.0 and above are alkili water and anything under that is acidic
<span>quartz (SiO2) is a compound. A compud is the combination of two or more elements. It is a compound because three elements are formed, the silicon and the two atoms of oxygen.</span>
Answer:
230 Seconds = 3.83333333 Minutes
Explanation: