Alkaline Earth Metals

Which of the following is NOT a characteristic of group 2 elements?

• Two valence electrons

• Can be found in the earth

• Reacts with water to form an alkaline solution

• Only reacts with water

Which of these 2nd group element found in the 4th period?

• 1. Calcium

• 1. Magnesium

• 1. Strontium

• Barium

Which elements make up quicklime?

• 1. Magnesium and oxygen

• 1. Magnesium and strontium

• 1. Calcium and oxygen

• 1. Calcium and chlorine

What is the most reactive metals?

• Berilium

• Calcium

• Barium

• Radon

Based on the given graphic, yellow one is the 1st ionization energy of alkaline earth metals.
Please label each of the ionization of elements

d

c

b

a

Sr

Be

Ba

Mg

Which two alkaline earth metals are essential to life?

• Berylium

• Magnesium

• Calcium

• Barium

Which compound is used to treat the symptoms of indigestion?

• MgO

• CaO

• Mg(OH)₂

• Ca(OH)₂

Which products are formed when magnesium reacts with steam?

• Magnesium hydroxide and hydrogen

• Magnesium oxide and hydrogen

• 
  Magnesium hydroxide and oxygen

• Magnesium oxide and oxygen

Alkali metals react with water to form:

• Water and metal hydroxide

• Water and metal hydroxide

• Water and metal oxide

• Metal Oxide

Which one of the following is the electron arrangement of the strongest reducing agent?

• 1s² 2s² 2p⁵

• 
  1s² 2s² 2p⁶ 3s²

• 1s² 2s² 2p⁶ 3s² 3p⁵

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²