Which of the following is the best definition of a base?
A. Bases are substances that donate protons.
B. Bases are substances that accept electrons.
C. Bases are any substances without hydroxide ions.
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D. Bases are substances that release hydroxide ions.

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.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Which sample at stp has the same number of atoms as 18 liters of ne at stp