ME Final Test Review

Element with the highest atomic radius

• Cs

• Mg

• F

• S

Element with the smallest electronegativity

• Cs

• Mg

• F

• S

Element with the highest ionization energy

• He

• C

• Li

• Ra

Neon (Ne) is a(n)

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Sodium hydroxide (NaOH) is a(n)

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Air is a(n)

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Cereal with milk is a(n)

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

Example of a chemical change

• Cesium metal reacts explosively with water

• Cutting a piece of paper

• Water vapor condenses to form rain

• Golds melts at 1064°C

Example of a physical change

• A tree is cut into boards

• Cesium metal reacts explosively with water

• Food is digested

• Apple slices turn brown when exposed to air

Example of a physical property

• Neon is a colorless gas

• Hydrogen reacts readily with oxygen

• Ammonia will corrode iron

• Butane gas ignites with oxygen