What mineral is harder, Calcite or Olivine?
2 answers:
Answer:
olivine im pretty sure
Explanation:
calcite has a hardness number of 3 and calcite has a hardness number of 6.5-7
Olivine is harder than calcite
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3024.75 Joules needed to warm iron
4 and 2 electrons are present.
Answer:
80.6 g
Explanation:
MgO=24.3+16=40.3 g
48.6/24.3= 2 moles
64/2x16= 2 moles
2x40.3= 80.6g
It was the element of aluminium where they predict their properties <span />
Answer:
8
Explain
H: Ignoring the coefficient, we know there's 5+3=8 atoms
