Properties of Dissociation

What type of solutes dissolve well in water?

• Non-polar solutes

• Ionic compounds

• Gaseous solutes

• Metallic solutes

What is the charge on the hydrogen atoms in a water molecule?

• Positive

• Negative

• Neutral

• Zero

What is the charge on the oxygen atom in a water molecule?

• Positive

• Negative

• Neutral

• Zero

What is dissociation in the context of ionic compounds?

• The process of forming new compounds

• The process in which ionic compounds separate into ions

• The process of heating compounds

• The process of mixing compounds

What attracts the negative ions of salt during dissociation?

• Negative ends of water

• Positive ends of water

• Neutral ends of water

• Positive ions of salt

What is the final outcome of the dissociation process?

• All ions are combined

• All ions are separated

• All ions are dissolved

• All ions are evaporated

Which part of water attracts positive ions of salt?

• Hydrogen ends

• Oxygen ends

• Neutral ends

• Both ends

Tags

NGSS.MS-PS2-3

What is the initial step in the dissociation of ionic compounds?

• Heating the solution

• Attracting ions with water

• Evaporating the solution

• Mixing the solution

What type of compounds are electrolytes?

• Covalent compounds

• Ionic compounds

• Metallic compounds

• Organic compounds

What happens to the kinetic energy of particles when the temperature is increased?

• It decreases

• It remains the same

• It increases

• It fluctuates randomly

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4