In the f-block of the periodic table, actinides have partially filled forbitals in the principal energy level, while lanthanides have partially filled forbitals in the
principal energy level.
fourth

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.

What happens to the atomic radius when an elctron is lost

What is the molar mass of ca(cio4)2