Calcium chloride forms an ionic solid. How are the particles held together and arranged in the solid?
O A. Calcium chloride molecules are held together by covalent bonds in
a regular pattern.
O B. Calcium and chloride atoms are held together by metallic bonds in
an irregular way.
O C. Calcium and chloride atoms are held together by electrostatic
forces in a regular pattern.
O D. Calcium chloride molecules are held together by intermolecular
attractions in an irregular way.

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

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit