which is a reactive nonmetal?

a. argon

b. sodium

c. silicon

d. chlorine

Select the correct answer. what is the nature of the se-cl bond in a molecule of selenium chloride (secl2) if the electronegativity value of selenium is 2.55 and that of chlorine is 3.16?

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?