What forces must be overcome for a substance to melt

A fluorine ion has nine protons and a charge of - 1. how many electrons are in an ion the fluorine. A. 1 B. 9 C. 10 D. 8

If you hang a bird feeder, fill it with food but no birds come to it what would the hypothesis be?

How to find molarity 1. mass 2. molar mass 3. volume of water added?

How does air above a heated surface move?

Name the substance that makes up fats

4. suppose you are setting up a reaction that requires an iodide salt and are planning to use sodium iodide. however, at the last minute you find that you are out of sodium iodide, so you must use potassium iodide instead.

The Large Hadron Collider is a particle accelerator that may be able to provide insight into the most fundamental structure of matter. It is 27 km long.

Explain how plantesimals differ from protoplanets

Which of the following are correct statements? Check all that apply. A. A neutron is a neutral particle in the nucleus. B. A proton is a positively charged particle that orbits the nucleus. C.

What is the empirical formula for propene (C3H6) ?