When electrons gain energy, what can they do?

A. drop to a lower energy level

B. move to a higher energy level

Which of the following best describes the motion of the particles in a piece of steel?

1. What is the name of TiSe

When a weather map shows a wind symbol at 270 it indicates that the wind is coming from the

What is the difference between a chemical process and a physical process in chemistry?

The electrical conductivities of the following 0.100 M solutions were measured in an apparatus that contained a light bulb as the indicator of conductivity. Rank the solutions in order of decreasing intensity (brightest to dimmest) of the light bulb.

A part of the periodic table is shown. A portion of the fifteenth and sixteenth columns of the periodic table is shown. Column 15 from top to bottom reads seven nitrogen, 15 phosphorus, and 33 arsenic.

How many electrons should we expect to see associated with the lowest energy peak in the photolectron spectrum of the element gallium (ga) ?

What happens to the gravitational force between two objects when their masses are increased? What happens when the distance between the objects increases?

What reagent is need to convert 2-methylpropene to (CH3) 3COH

Which of the following is used to separate the parts of mixtures a. Atomic number. B. Physical properties. C. Microscopes. D. Burning