An electron that is in the highest energy level of an atom and determines the atom's chemical properties is called a (n)

paired electron.

opposite-spin electron.

valence electron.

extra electron.

Atoms that have the same number of outer electrons

Which description identifies the correct charge of each atomic particle?

What types of materials are "Built" from petroleum?

An alarm clock is placed in a sealed container without any air. Describe what you will observe concerning the mechanical waves and the EM waves when the alarm clock goes off.

The force of friction is directed opposite of the way an object is moving because? A. friction lifts an object off of a surface. B. friction restricts motion. C. friction is a negative force that repels objects like two magnets. D.

What is the name of NiI2

Give an example of how microorganisms might meet each of the challenges of life

What is the molarity of a solution that contains 4.53 moles of lithium nitrate in 2.85 liters of solution? 0.874 M 0.629 M 3.77 M 1.59 M 2.57 M 1.98 M

In which type of unconformity is the eroded rock tilted or folded? disconformity nonconformities angular unconformity scarp unconformity

A liquid solution can be made from solid, liquid, or gas solute.