What happens when elements combine to form compounds?

What has less energy than visible light in the electromagnetic spectrum?

What is the cause of waters polarity

How does an atom become an ion with a - 2 charge?

Name three things in everyday life that are periodic.

The diagram below shows the movement of particles. What does this piece of evidence best support? The collision theory The Maxwell-Boltzmann distribution. The effect of pressure on reaction rates. The effect of temperature on reaction rates

True or false? An energy-level diagram shows all electron levels of an atom.

Oxygen, nitrogen, and fluorine bond with hydrogen to form molecules. these molecules are attracted to each other by

If a substance consists of only one kind of atom, it is an ... A. mixture B. element C. solution

Why would a crash involving cars going faster do more damage than a crash going slow? explain using terms kinetic and potential and inertia. Science

Just as heat can denature enzymes, so can a change in the pH. Enzymes that normally work in an acidic environment in the body can become denatured if the pH becomes too alkaline.