Structure & Bonding - Retrieval

What name is given to electrons that can move through a structure?

Draw a dot-cross diagram to show how a covalent bond forms between two hydrogen atoms

Draw a dot-cross diagram to show how the atoms in a water molecule are joined by covalent bonds

What is the electron configuration of a sodium ion?

• 2,8,7

• 2,8,8

• 2,8

• 2,8,1

The electron configuration of an oxide ion is the same as which noble gas' electron configuration?

• Ar

• He

• Ne

• Kr

Magnesium oxide shows which type of bonding?

Magnesium chloride has ionic bonding. Which properties are incorrect for magnesium chloride?

• Low melting point

• Conducts electricity as a liquid

• Conducts electricity as a solid

• High melting point

Zinc has metallic bonding. Which properties are incorrect for zinc?

• High melting point

• Conducts electricity as a liquid

• Brittle

• Low melting point

Carbon dioxide has simple covalent bonding. Which properties are correct for carbon dioxide?

• Low boiling point

• Conducts electricity as a solid

• Solid at room temperature

• Does not conduct electricity as a solid

Sulfur is a solid at room temperature. Its molecules are covalently bonded. List the properties that sulfur will have: