Which statement concerning MgBr2 is true? A. MgBr2 has properties similar to sodium metal and chlorine gas.
B. MgBr2 is a homogeneous mixture.
C. MgBr2 is a heterogeneous mixture.
D. The percentage of Mg in MgBr2 is dependent on where the sample is obtained.
E. MgBr2 is a compound composed of Magnesium and Bromine

Explain how carbon monoxide can cause death

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.