H2-element
HCl-compound
Na-element
Al2O3-compound
H2O-compound
I believe the type of compound fe3n2 is ionic.
Started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.
Answer:
Explanation:
moler mass of Cu is 63.546 g/mol. Since 63.546 g of copper has 6.022 x 10 power(23) atoms (Avogadro's number). = 9.5 x 10(power)21 atoms of copper.
The answer is B
If one circuit fails, it is most likely that all the components in the circuit will fail.
