Why would you not use elements on the right side of the periodic table as building material

What is the mass of 0.46 mil of MgCl2

What is the equation for the energy levels of the hydrogen atom

How is addition polymerization different from condensation polymerization? During condensation polymerization, all the atoms in the monomer units are retained in the polymer;

What is the chemical formula for barium and silicon? what is the chemical formula for lithuim and sulfur? chemical formula aluminum and selentium? Pottasium and flourine? Berylium and nitrogen?

While washing his hands before the client consultation with Chloe, Jayden dropped some water onto the countertop. When he came back later to wipe it up, it has evaporated. What happened to the drops of water?

What's the physical state of hydrogen and zinc in 2HCl+Zn=ZnCl2+H2

H2O (s) ⇒ H2O What would be the best argument against writing this in the form of a chemical equation?

What effect does an increase in products have on the reaction rate of a mixture at equilibrium?

Explain the basic principles of a distillation unit operation

How many valence electrons do the halogens possess?