How many water molecules are produced when 5.2g O2 are reacted

The first element on the periodic table of elements is carbon. a. true b. false

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

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.