Covalent Bonding and Electron Dot Structures

How many electrons does each line indicate are shared?

• 1

• 2

• 3

• 4

When writing Lewis Structures, only __________ electrons are used.

• Inner shell

• Core 

• Valence

• Stable

What is the correct formula for this molecule?

• Si₄F

• SiF₄

• SiF

• Si₄F₄

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A covalent bond is

• a bond that shares electrons metallicaly

• A bond that shares electrons with non metals

• Metalloids bonding

• metals and nonmetals bonding

Tags

NGSS.HS-PS1-1

In the correct Lewis structure for CH_4, how many unshared electron pairs surround the carbon?

• 2

• 8

• 0

• 4

What elements generally make a covalent bond?

• metal and nonmetal

• 2 or more nonmetals

• metal

• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a polar covalent bond, electrons are shared ___________.

• equally

• unequally

• between non-metals with similar electronegativities

• between a metal and a non-metal

Is this molecule polar or nonpolar?

• Polar

• Nonpolar

Does the following reference Polar, Nonpolar, or both: "equal sharing of electrons"?

• Polar

• Nonpolar

• Both

Tags

NGSS.HS-PS1-1

Is this molecule polar or nonpolar?

• Polar

• Nonpolar