If necessary, use the Periodic Table below to answer the questions that follow.   

Which statement concerning electrons is true?

What is the symbol of an element whose atoms have a mass of nearly three times the mass of a beryllium atom, Be?

After surgical removal of an infected gallbladder, a person must be especially careful to restrict dietary intake of 

Use the Factor Label Method to calculate the mass, in grams of  8.50 x 1022 molecules of CS2?

Which statement concerning electrons is true?

T3 is also known as

Identify layer A on the surface of the brain

Choose the FALSE statement concerning cortisol:

What is the correct isotope notation for an atom whose mass number is 40 and whose number of neutrons is 21.