) NO31 4) none of the above 87. The formula FO1 3- means that this ion is composed of A) one atom of phosphorus, one atom of oxygen, and throe extra electrons. 8) four atoms of phosphorus, four atoms or oxygeo, and three extra electrons. C) one atotn of phosphorus, four atoms of oxygen, and three electrons have been lost. b) one atom of phosphorus, four atoms of oxygen, and three extra electrons. a) four atoms of phosphorus, four atoms of oxygen, and three electrons have been lost 38. A fortaula unit of the ionic compound copper(II) carbonate consists of fons and A) one; one carbonate ions. B) one: two C) two; one D) two; two 8) some other combination of ions 89. 'The formula (NH4)3PO4 indicates that one formula unit of this compound is composed of A) three atoms of nitrogen, twelve atoms of hydrogen, one atom of phosphorus, four atoms of oxygen, and six extra electrons. B) three atoms of nitrogen, twelve atoms of hydrogen, four atoms of phosphorus, and four atoms of oxygen. C) one atom of nitrogen, twelve atoms of hydrogen, one atom of phosphorus, and four atoms of oxygen. D) three atoms of nitrogen, seven atoms of hydrogen, one atom of phosphorus, and four atoms of oxygen. 8) three atoms of nitrogen, twelve atoms of hydrogen, one atom of phosphorus, and four atoms of oxygen. 90. What is the name of MB3(PO1)2 ? A) trimagnesium diphosphate B) magnesium diphosphate C) trimagnesium phosphate D) magnesium phosphate B) magnesium phosphorus oxide 91. 'The formula for ammonium hydrozide is A) OXNIHA B) NHiNO3 C) NH4O D) NHAOH 8) Al(Ol)3 92. One definition of an acid is a substance that provides which ion in water solution? A) Na+ B) H+ c) O19