How many potassium ions and phosphate ions are in the ternary ionic compound, potassium phosphate? Select one:
a.1 potassium and 3 phosphate
b.2 potassium and 1 phosphate
c.1 potassium and 1 phosphate
d.3 potassium and 1 phosphate

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

Fossil fuels are organic compounds that are made from

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.