Answer is valence electron, they all have total of 2 valence electron.
remember group number = valence electron
A and C, Igneous and Metamorphic
<span>Which is an IUPAC name for a covalent compound?. . A. carbon dioxide</span>
The answer is (3) moles of solute per liter of solution. That is what the definition of molarity of a solution means. The equation is concentration = mol number of solute/ volume of solution.
