Which of the following combinations makes up an ionic compound? A. A positive anion and a positive anion
B. A positive anion and a negative cation
O C. A positive cation and a negative cation
D. A positive cation and a negative anion

D. A positive cation and a negative anion

Explanation:

An ionic compound is defined as the chemical compound formed by the combination of two charged particles or ions held together by electrostatic forces.

An ionic compound is made up of  ions, a cation which is a positively charged ion and an anion which is a negatively charged ion. Example of ionic compounds are Lithium Fluoride, Lithium Iodide, and Sodium Bromide.

Hence, the correct answer is "D. A positive cation and a negative anion".

1.195000

explanation:

total mass=0.0117+0.0137+0.0881+0.0111

total mass= 0.01172kg

total velocity = 0.283-0.743+0.871-0.799+0.155+0.637+0.301=0.102

momentum=mv=0.1172*0.102=1.195000//