Check its reactivity the most reactive is the most metallic. And remember in third group of the periodic table contains all metals
Answer:
it is iron and flourine gas
Explanation:
The last <span>Most rocks are made up of a mixture of minerals. </span><span> Most rocks are made up of a mixture of minerals.</span>is correct because rocks contain a combination of minerals not just one
Answer:
It helps it not to break or crack. It is like an outer shell to protect it.
Explanation:
