Which of the following is the best choice for presenting the percent composition of calcium carbonate (CaCO3)?
O A. Circle graph
O B. Line graph
O C. Data table
O D. Bar graph

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-