Which of the following atoms have the same number of neutrons as an atom of aluminum-27?
a. silicon-27
b. sulfur-30
c. chlorine-17
d. phosphorus-30

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.

Drug abuse will not lead to physical and psychological dependence. true or false ?

Tell me the iupac names of the following alcohols: