I believe, that options 2. as well as 5. are the correct responses.
Any elements in the same periodic group as oxygen such as sulfur, as elements are grouped together through similar properties
Answer:
a common industrial use for a mineral is:
Explanation:
Typical examples of industrial rocks and minerals are limestone, clays, sand, gravel, diatomite, kaolin, bentonite, silica, barite, gypsum, and talc.
Na is reduce as it gain electron from cl
Answer: KOH + HBr = H2O + KBr
Explanation: hope this helps