Question

1. compare the properties of each of the following:

	sodium (na)	chlorine (cl)	sodium chloride (nacl)
reactive or stable			stable
practical use	none	toxic gas

Explanation:

Step1: Determine state of sodium chloride

Sodium chloride is a solid at room - temperature.
Solid

Step2: Determine reactivity of sodium

Sodium is highly reactive.
Reactive

Step3: Determine reactivity of chlorine

Chlorine is highly reactive.
Reactive

Step4: Determine practical use of sodium chloride

Sodium chloride is commonly used as table - salt.
Table - salt

Answer:

	Sodium (Na)	Chlorine (Cl)	Sodium Chloride (NaCl)
Reactive or Stable	Reactive	Reactive	Stable
Practical Use	None	Toxic gas	Table - salt