.5 Math and Tables Review for Final

The most electronegative atom in the periodic table is:

• Fluorine
• Helium
• Neon
• Francium

Choose the set that goes from lowest to highest electronegativity?

• Cu, Mg, Sr, Ca
• F, Cl, Br, Si
• Cs, Rb, Ca, Mg
• Zn, Cd, Ag, Cu

The element with the lowest electronegativity in Period 3 is - 

• Na
• Cl
• Ar
• Mg

Which of the following is the least electronegative element?

• oxygen
• potassium
• fluorine
• nitrogen

Which of the following is the most electronegative element?

• nitrogen
• phosphorus
• arsenic
• lithium

What is the difference in electronegativity for HBr?

• 0.7

• 1.9

• 2.0

• 2.8

HBr has a difference in electronegativity of 0.7. Based on the table, what kind of bond is HF?

• Nonpolar covalent

• Polar covalent

• Ionic

HBr has a difference in electronegativity of 0.7. Based on the table, what kind of bond is HF?

• Nonpolar covalent

• Polar covalent

• Ionic

• N

• H

Phosphorus tribromide

• PBr
• PBr₇
• P₄Br₄
• PBr₃