Why do scientist record observations during an experiment?

Which of the following tends to form anions when bonding with other elements? chlorine lithium magnesium neon

What is the wavelength of radiation that has a frequency of 6.912 x 1014 s-1?

Magma that cools very slowly forms minerals with what type of crystals? fractured hard large small

Which formula represents a molecule with the most polar bond

How is crystallization an example of self-assembly?

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.

Name a type of asteroid and give a description.