7.) Indicate the type of crystalline solid of NiAu
Ionic
Molecular
Covalent Network
Metallic
8.) Indicate the type of crystalline solid of graphite carbon
Ionic
Molecular
Covalent Network
Metallic
9.) Indicate the type of crystalline solid of CO₂
Ionic
Molecular
Covalent Network
Metallic
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change