Reactivity of Alkali metals and Halogens

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

• Group 1
• Group 2
• Group 7
• group 8 

Tags

NGSS.HS-PS1-1

Which of the following is the most reactive in water?

• Lithium
• Sodium
• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Tags

NGSS.MS-PS1-5

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

• a vacuum

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

• True
• False

Tags

NGSS.HS-PS1-1

True or False: All alkali metals have odd atomic numbers?

• True
• False

True or False: Lithium under normal conditions is the lightest metal?

• True
• False

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

• Hydrogen
• Oxygen
• Metahne
• Carbon di oxide

What happens to the reactivity of the alkali metals as you move down the group?

• increases

• decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2