Which of the following is true about an ionic compound?
a. it is salt.
b. it is held together by ionic bonds.
c. it is composed of anions and cations.
d. all of the above

Asolid that forms and separates from a liquid mixture is called

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.