7. In a sample of 200 Chlorine atoms, it is found that 151 are 35Cl (34.969 g/mol), and 49 are 37C1 (36.966 g/mol). What is the average atomic mass of Chlorine?

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.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids