The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.
The answer is c this is the answer
Answer:
Lead
that can be found in the periodic table of elements
Explanation:
**increase the partial pressure of oxygen
decrease the partial pressure of carbon dioxide
Answer: it doesnt have to be separated because it doesnt mix but if u pour it in the same cup or something i would say with a magnet
Explanation: