Atoms connected by covalent bonds share what?

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop down menus

Can someone me i need the answer and don’t understand?