Bonds

Chemical bond is ...

• the physical mixing of two different atoms.

• the force that holds two atoms together

• the energy used up when two atoms combined.

• the temperature that changes the phase of matter.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

Why do elements bond?

• To be friends

• To create a new element

• To become stable

• To get bigger

Which of these is not a real bond in chemistry?

• James

• Ionic

• Covalent

• Metallic

Match the following descriptions to the type of bond.

Occurs between two nonmetals - (a)  

Occurs between a metal and a nonmetal - (b)  

• Covalent bond

• Ionic bond

Two nonmetals from Region 3 combine. This is most likely a ​ (a)  

• covalent bond

• ionic bond

• metallic bond

• james bond

Which substance contains bonds that involve a transfer of electrons from one atom to another? (a)  

• CO2

• NH3

• KBr

• Cl2

Tags

NGSS.HS-PS1-1

How do the following two elements bond together?
Cr³⁺  O^2-         
(a)  

• Cr2O3

• CrO

• Cr3O2

• CrO3

Tags

NGSS.MS-PS1-1

Match the following

• ionic

• equal sharing of electrons

• non-polar covelant

• Complete transfer of electrons

• polar covelant

• unequal sharing of electrons

Match the bonds with the amount of electrons

• 4 electrons (2 pairs) shared

• Triple bond

• 2 electrons (1 pairs) shared

• Single bond

• 6 electrons (3 pairs) shared

• Double bond

Ionic bonds are between...

• nonmetals and nonmetals

• carbon and oxygen

• metals and nonmentals

• hydrogen and chlorine