11. Chemists can identify the composition of some unknown salts by conducting a flame test.
When potassium salts are heated in a flame, a purple color is observed. This is due
to the
movement of electrons between energy levels. What is the electron configuration
of a
potassium atom at ground state?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of