Chemical Naming and Bonding

When two atoms share electrons, a chemical bond is formed.  This type of bond is called:

• covalent bond
• ionic bond
• crystal bond
• polyatomic bond

Tags

NGSS.HS-PS1-1

What is a double bond?

• a bond between two atoms
• one pair of electrons shared between two atoms
• two pairs of electrons shared between two atoms
• James Bond's brother

A covalent bond in which electrons are shared unequally is:

• polar
• a double bond
• ionic
• polyatomic

Molecules that contain two polar bonds are:

• ionic 
• always polar
• always nonpolar
• sometimes polar

Fluorine (F₂) is a(n)  _________________                  molecule because the valence electrons are shared equally between the two fluorine atoms.

• polar
• nonpolar
• ionic
• crystal

What type of compound consists of molecules that made of atoms that are covalently bonded?

• ionic
• crystal
• noncovalent
• molecular

Metals usually form covalent bonds with one another.

• True
• False

Compared to ionic compounds, molecular compounds generally have...

• stronger chemical bonds

• poor conductivity

• a high melting point

• higher densities

If the electronegativity of H is 2.2 and of Cl is 3.5, which type of bond is formed when HCl is made?

• polar covalent
• non polar covalent
• polar ionic
• ionic

Tags

NGSS.HS-PS1-1

What are the formulas for the 7 diatomic molecules?

• H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂
• He₂, N₂, O₂, F₂, Cl₂, Br₂, I₂
• H₂, N₂, O₂, F₂, Ne₂, Ar₂, Kr₂
• H₂, Ne₂, O₂, F₂, C₂, Br₂, I₂