Bell Ringer #1Bell Ringer #1

Nov 4/7Nov 4/7

Question 1Question 1

Which of the following is likely to be Which of the following is likely to be an ionic compound (based on water an ionic compound (based on water solubility)solubility)

A. OilA. Oil B. Ear WaxB. Ear Wax C. SaltC. Salt D. CharcoalD. Charcoal

Question 2Question 2

Which of the following is a physical Which of the following is a physical characteristic of a covalent compound?characteristic of a covalent compound?

A. Conducts electricity when dissolved A. Conducts electricity when dissolved in in

waterwater B. Solid and Brittle at room B. Solid and Brittle at room

temperaturetemperature C. Low melting and boiling pointsC. Low melting and boiling points D. All dissolve well in waterD. All dissolve well in water

Question 3Question 3

For the compound Iron II Oxide, For the compound Iron II Oxide, which is the metallic ion? (symbol which is the metallic ion? (symbol and charge)and charge)

A. Fe A. Fe 2+2+

B. Fe B. Fe 3+3+

C. O C. O 2-2-

D. FeOD. FeO