Group 1 Metals-N(A) Chem

Elements in the same group have the same number of...

• electrons

• electron shells

• valence electrons

• protons

Elements in the same period have the same number of...

• electrons

• electron shells

• valence electrons

• protons

Alkali metals are found in which group of the periodic table?

• Group 1
• Group 2
• Group 17

• Group 18 

Which of the following is the most reactive in water?

• Lithium
• Sodium
• Potassium
• Rubidium

Which alkali metal is the least reactive?

• Lithium
• Sodium
• Potassium
• Rubidium

Which alkali metal has the highest melting point?

• Lithium
• Sodium
• Potassium
• Rubidium

What is formed when sodium reacts with water?

• sodium oxide and hydrogen
• sodium hydroxide and hydrogen
• sodium hydroxide and oxygen
• sodium hydroxide and carbon dioxide

What gas is formed when alkali metals react with water?

• H₂

• H₂O

• CO₂

• O₂

Which of the following is NOT an alkali metal?

• Li
• Cl
• K
• Cs

How many valence electrons do alkali metals have?

• 1

• 2

• 8

• 7