Edexcel CC13: Groups in the Periodic table

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

• Group 1

• Group 2

• Group 7

• group 8

6.3: Which of the following is the most reactive in water?

• Lithium

• Sodium

• Potassium

6.3: 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

6.3: What is the symbol equation for the reaction between sodium hydroxide and water?

• 2Na + 2H₂O → 2NaOH + H₂

• Na + H₂O → NaOH + H

• Na + H₂0 → NaCl + CO₂

• 2Na + 2H₂O → 2NaH₂ + O₂

6.1: Which of the following is NOT an alkali metal

• Li

• Cl

• K

• Cs

6.1: What is another name for the elements in group 7?

• The Halogens

• The Noble gases

• The Oxides

• The Alkali Metals

Alkali are so reactive to air they are generally stored in what?

• Water
• Oil
• Vaults
• Cotton

Tags

NGSS.HS-PS1-1

6.2a: True or false: Alkali Metals are so soft they can be cut with a knife?

• True

• False

6.2b: As Alkali Metals atomic number increases their melting point?

• Increases

• Decreases

• Stays the same

6.3: --------------------- is released when alkali metal react with water

• Hydrogen

• Oxygen

• Metahne

• Carbon di oxide