In this worksheet, we will practice describing the compounds and reactivities of halogens and trends in their physical and chemical properties.
Which of the following is a halogen?
Halogens can generally be found as diatomic molecules (e.g., ). What type of bonding occurs in these molecules?
Which of the following is not a property of the halogens?
- AThey have low melting points.
- BThey are good thermal conductors.
- CThey are colored.
- DThey are poor electrical conductors.
- EThey have low boiling points.
As halogens increase in atomic number, which of the following trends is observed?
- AToxicity increases.
- BReactivity decreases.
- CBoiling point decreases.
- DMelting point decreases.
- EAtomic radius decreases.
Which of the following halide salts contains the fewest ions per unit volume?
- AStrontium fluoride (density 4.24 g/cm3)
- BCesium fluoride (density 4.64 g/cm3)
- CLithium iodide (density 4.08 g/cm3)
- DSodium bromide (density 3.21 g/cm3)
- EMagnesium bromide (density 3.72 g/cm3)
Which of the following halide salts contains the most ions per unit volume?
- ACalcium bromide (density: 3.35 g/cm3)
- BPotassium bromide (density: 2.74 g/cm3)
- CBeryllium iodide (density: 4.33 g/cm3)
- DRubidium chloride (density: 2.80 g/cm3)
- ESodium iodide (density: 3.67 g/cm3)