Covalent Bonds Review

Covalent Bonds Review

​This kind of bond is formed when a metal (cation) looses and electron and gained by a nonmetal (anion).

​​Ionic Bonds

When both nonmetals are involved and they share valence electrons to attain stability.

Covalent Bonds

Multiple Choice

Identify the following compound as ionic or covalent: Ca(OH)₂

• ionic

• covalent

Multiple Choice

Identify the following compound as ionic or covalent: Ca(OH)₂

• ionic

• covalent

Multiple Choice

Identify the following compound as ionic or covalent: SO₂

• ionic

• covalent

Multiple Choice

What type of bond involves the sharing of electrons between atoms?

• covalent bond

• ionic bond

• metallic bond

• transfer bond

Bond Polarity

Multiple Choice

In a polar covalent bond, electrons are shared ___________.

• equally
• unequally
• between non-metals with similar electronegativities
• between a metal and a non-metal

Multiple Choice

If Bromine bonds with Hydrogen, a ____________ bond forms.

• polar covalent
• nonpolar covalent
• metallic
• ionic

Multiple Choice

The most electronegative atom in the periodic table is:

• Fluorine
• Helium
• Neon
• Francium

6 - hexa
7 - hepta
8 - octa
9 - nona
10 - deca

1 - mono
2 - di
3 - tri
4 - tetra
5 - penta

​Prefixes used :

Naming Covalent Compounds

Multiple Choice

What is the correct prefix to be used if a chemical formula has a subscript 4?

• tri

• tetra

• di

• quad

Multiple Choice

What is the name of N₂O₃

• Nitrogen trioxide
• Dinitrogen oxide
• Dinitrogen trioxide
• Nitrogen oxide

Multiple Choice

What is the chemical formula for Nitrogen triiodide?

• NI
• N₃I
• NI₃
• None of these

Multiple Choice

phosphorus trichloride

• KCl₃
• PCl₃
• K₃Cl
• P₃Cl

​VSEPR and shapes

Multiple Choice

What molecular shape does PH₃ would possibly show?

• linear

• trigonal pyramidal

• trigonal planar

• tetrahedral

Multiple Choice

What molecular shape is the structure shown here? (H₂O)

• tetrahedral
• trigonal planar
• bent
• trigonal pyramidal