Elements in the same --- share similar characteristics or properties. A. group or family
B. period
C. genus
D. none of the above

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Name the element in group 17, period 2. (periodic table)

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.