What my happen in the ecosystem of the fox was removed

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

What is the number of moles in 15.0 g ash3?

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.