Convert 19.3 grams/mL to kilograms/L

Why is silver chloride is an ionic compound

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Is a pencil falling to the floor anon contact force, a force, or a contact force