semester 2 final review

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Classify the following molecule.

• polar

• nonpolar

Tags

NGSS.HS-PS1-1

Classify the following molecule.

• polar

• nonpolar

Tags

NGSS.HS-PS1-3

Classify the following molecule.

• polar

• nonpolar

Is the following molecule polar or nonpolar?

• polar

• nonpolar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why is the molecule polar?

• There is a nonbonding pair on the central atom.

• There are different types of elements bonded to the central atom.

• There are no nonbonding pairs on the central atom and all of the atoms bonded to the central atom are the same.

Tags

NGSS.HS-PS1-3

What type of bond would form between O and O?

• Polar Covalent

• Non-Polar Covalent

• Ionic

Match the charge with the groups.

• Group 16

• -3

• Group 15

• -2

• Group 17

• -1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Potassium and Sulfur create...

• KS

• KS₂

• K₂S

• K₂S₂

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

In a(n) ________ electrons are transferred from one atom to another

• ionic compound

• covalent compound