Bonding and Lewis Structures

Choose the structure that forms a double bond.

• Carbon tetrachloride (CCl₄)

• Carbon dioxide (CO₂)

• Water (H₂O)

• Cyanic Acid (HCN)

Tags

NGSS.HS-PS1-1

How many valence electrons are in Phosphorus?

• 15

• 4

• 5

• 31

Tags

NGSS.HS-PS1-1

The Lewis dot structure for a boron atom has?

• 1 lone electron

• 3 lone electrons

• 1 pair and 1 lone electron

• two pairs of electrons

Tags

NGSS.MS-PS1-1

How many lone pairs are on the central atom of ClF₃?

• 3

• 0

• 4

• 2

Atoms that are bonded with an electronegativity difference of 0.3 to 1.5 are generally considered to be

• polar covalent

• nonpolar covalent

• ionic

• metallic

A bond with a partially negative end and a partially positive end is:

• ionic

• polar

• non-polar

• isometric

Tags

NGSS.HS-PS1-1

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

• nonpolar; equally

• polar; equally

• nonpolar; unequally

• nonpolar; unequally

If Boron bonds with Hydrogen, a ____________ bond forms.

• polar covalent

• nonpolar covalent

• metallic

• ionic

Tags

NGSS.HS-PS1-1

If Bromine bonds with Hydrogen, a ____________ bond forms.

• polar covalent

• nonpolar covalent

• metallic

• ionic

Tags

NGSS.HS-PS1-1

The polarity of a bond is determined by...

• The sum of the electronegativities of the two atoms

• The difference in the electronegativities of the two atoms

• The charges of the atoms

• None of the Above