*WILL GIVE A BRAINIEST TO THE CORRECT ANSWER & 15 POINTS* A sodium atom has the following electron configuration: 2-7-1-1. This is the excited state because the electron is moving from

A.) 4th shell to 2nd shell
B.) 2nd shell to 4th shell
C.) 3rd shell to 2nd shell
D.) 2nd shell to 3rd shell

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.