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?

they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

can i get the brainiest answer

i answered it first

i do not get it   at all

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.