How many elements does hydrochloric acid have

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

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 equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.