Ionic and Covalent Practice

When metals bond with non-metals they form what type of bonds

• covalent
• ionic
• cooperative
• lewis

A chemical bond resulting from the electrostatic attraction between positive and negative ions is called a(n)

• covalent bond.
• ionic bond.
• charged bond.
• dipole bond.

Tags

NGSS.HS-PS2-4

The chemical bond formed when two atoms share electrons is called a(n)

• ionic bond.
• orbital bond.
• Lewis structure.
• covalent bond.

If the electronegativity of H is 2.20 and of Cl is 3.55, which type of bond is formed when HCl is made?
>1.7 = ionic
0.5-1.7 = polar covalent
<0.5 = nonpolar covalent

• polar covalent
• covalent
• polar ionic
• ionic

Ionic bonds _____ dissolve in polar solvents. 

• will
• will not 
• might 
• I don't know

Which of the following is NOT a characteristic of IONIC COMPOUNDS?

• High melting point
• Conducts electricity
• Strong bonds
• Low boiling points

Tags

NGSS.HS-PS1-3

Which of the following is an example of an IONIC COMPOUND?

• NaCl
• H₂O
• CO₂
• NO

Tags

NGSS.HS-PS1-3

Which of the following is an example of a COVALENT COMPOUND?

• H₂S
• KI
• CaCl₂
• MgO

Covalent bonds are formed by sharing an electron from a _______ to a ________.

• Metal to a metalloid
• Metalloid to a nonmetal
• Nonmetal to a nonmetal
• Metal to a nonmetal

Water is polar and oil is nonpolar.  What happens when the two liquids are poured into the same container?

• both liquids become nonpolar
• a gas is produced
• the liquids mix well
• the liquids do not mix well