PERIOD 2 review

Carbon is located in this period of the periodic table:

The number of valence electrons in halogens family is:

How many mistakes related to Lewis dot stucture appear in the image:

• 3

• 2

• 1

• 0

Potassium iodide is an example of this type of compound:

• ionic

• covalent

• molecular

• metallic

The type of chemical bond that is present in water molecules is: (2 words)

The melting and boiling points are HIGH in this type of compounds:

• ionic

• covalent

Give the name of the type of compounds that DO NOT conduct electricity.

When the electronegativity difference (ΔEN) is less than 0.5 the type of bond is classified as:

• ionic

• polar covalent

• nonpolar covalent

• metallic

The name of the Intermolecular force that occurs in H-F is called:

The man that is considered as the Father of Chemistry is:

• Antoine Lavoisier

• Dimitri Mendeleiev

• Mole Bohr

• Amadeo Avogadro