Electronegativity and Molecule Review

Use your knowledge and electronegativity sheet to predict what type of bond would form between phosphorus and fluorine.

• non-polar covalent

• polar covalent

• ionic

• metallic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Electronegativity is a measurement of the ability of a nucleus to:

• attract bonding electrons

• attract other nuclei

• attract electrons in the non-valence energy levels

The most electronegative atom in the periodic table is:

• Fluorine
• Helium
• Neon
• Francium

Tags

NGSS.HS-PS1-2

In this Lewis structure, the symbol above F means...

• electrons are being transferred to Fluorine
• electrons are less attracted to F than H
• electrons are more attracted to F than H
• Fluorine has formed a cation

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A covalent bond usually forms between:

• a metal and a nonmetal

• either metals or nonmetals

• two metals

• two nonmetals

A diatomic molecule like O2 is always_______ because electrons are shared ________.

• nonpolar; equally

• polar; equally

• nonpolar; unequally

• nonpolar; unequally

Which has the greater EN: 
N or C?

• C
• N

Tags

NGSS.HS-PS1-1

Which has the greater EN: 
H or F?

• H
• F

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put these in increasing order:
F, N, B

• B < N < F
• B < F < N
• N < F < B
• F < N < B

The element with the largest electronegativity in the halogens is - 

• At
• F
• Cl
• Br

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2