Why does a fluorine ion have a charge of - 1

How to find the charge of an element

Which statement best describes the movement of atoms in a solid? They are able to slide past each other. They spread apart as far as possible. They have no freedom to move. They are free to move in all directions.

What will happen when a light bulb is added on the left side of this circult

A chemical change in which a single compound is broken down into two or more simpler products.

sodium hydroxide, NaOH, is dissolved in water to make up a solution that is 1.58 * 10 - 5 M in NaOH. What is the pH

What is the symbol for heat

When a single 1-gram piece of zinc is added to 3 M hydrochloric acid at 25°C, the reaction is slow. Which procedure would most likely increase the rate of the reaction if the reaction were repeated? A. using 1 gram of powdered zinc B.

Which accurately describes development? A. changing while growing B. growing larger over time C. decreasing the number of cells D. increasing the sizes of cells

A design team has come out with four different plans for building a bridge across a small stream. What is the quickest and most economical way of picking the right plan?

Is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations?