this is what i foudn-By its definition as a homogeneous solid, a mineral is composed of a single solid substance of uniform composition that cannot be physically separated into simpler chemical compounds. ... Most rocks are composed of several different minerals; e.g., granite consists of feldspar, quartz, mica, and amphibole.
hope this is helpful.
Answer:
One.
Explanation:
this is the structure of lithium which has valency 1 .Valency means no.electrons present in outermost shell or needed electrons to complete octet
Answer:

Explanation:
Hello there!
In this case, for such unit conversion we need to realize that 1 kg is equal to 1000 g, 1 g is equal to 1x10⁹ and 1 mL equals 1 cm³, therefore we apply:

Best regards!
Answer:
It determines the concentration of an unknown substance in neutralization reactions.