Periodic table 1A and 2A

Which elements are part of 1A group?

• calcium

• lithium

• radium

• magnesium

Which is the most reactive metal in this group?

• Sodium

• Potassium

• Rubidium

• Francium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Alkali metals react with water to form:

• Water and metal hydroxide

• Water and metal oxide

• Metal hydroxide and oxygen

• Metal oxide

Tags

NGSS.HS-PS1-1

Which group of elements are more reactive?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

Which metal is more reactive?

• Magnesium

• Barium

• Strontium

• Calcium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What name is given to the elements in Group 1?

• The Halogens

• The Alkaline Earth Metals

• The Alkaline Metals

• The Nobel Gases

All elements in Group 1 have ____ valance electron(s).

• 1

• 2

• 3

• 4

Going down the group, the atomic radius of Group 1 elements

• Increases

• Decreases

• Remains the same

Group 1 elements usually form a ______ ion.

• -1

• -2

• +1

• +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