When solutions of two ionic compounds are combined and a solid forms, the process is called

• hydration

• solvation

• dissociation

• precipitation

Precipitation reactions: when chemicals in a solution react to form ___

• a gas

• a liquid

• a solid

• rain

Tags

NGSS.MS-PS1-2

What kind of substance is water particularly good at dissolving?

• molecular compounds

• fats and oils

• ionic compounds

• organic compounds

When some ionic compounds form through reactions in solution, they fall out as a ___

• consolidated element

• heavy sludge

• dense discharge

• solid precipitate

Tags

NGSS.MS-PS1-2

Ionic compounds are generally called ___

• distillates

• sediments

• salts

• coprolites

Sodium chloride is commonly called ___

• chalk

• table salt

• baking soda

• limestone

Tags

NGSS.MS-PS1-1

What is the chemical formula for silver nitrate?

• AgNO₃

• Ag(NO₃)₂

• Ag₂NO₃

• Ag(NO)₃

Cations are ___

• positively charged ions

• negatively charged ions

• attracted to bar magnets

• repelled by bar magnets

Tags

NGSS.MS-PS2-3

Anions are ___

• positively charged ions

• negatively charged ions

• attracted to bar magnets

• repelled by bar magnets

Tags

NGSS.MS-PS1-1

Opposite charges attract. So cations only react with anions to form ___

• larger magnets

• new compounds

• charged compounds

• new cations and anions

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5