alkali and alkaline earth metals

What is the atomic number of Lithium?

• 3

• 6

• 11

• 22

Which of the following is a chemical property of Sodium?

• Reacts violently with water

• Melting point: 182.54°C

• Lowest density of all metals

• Great conductor of heat and electricity

What is the chemical symbol for Potassium?

• Li

• Na

• K

• P

Which element is known as the lightest known metal?

• Sodium

• Potassium

• Lithium

• Calcium

What is a physical property of Sodium?

• High melting point

• Appears solid at room temperature

• Reacts with halogens

• Creates a bright red flame

What is the atomic number of Potassium?

• 19

• 37

• 85.468

• 39.098

Which chemical symbol represents Rubidium?

• K

• Rb

• Cs

• Ra

Which of the following is a physical property of Rubidium?

• High density

• Low boiling point

• Non-conductive

• Hard and brittle

What is the atomic number of Cesium?

• 87

• 55

• 132.91

• 223

Which of the following is a chemical property of Cesium?

• Silvery gold

• Highly reactive

• Low melting point

• Heaviest known alkali metal