Intro to Chemical Bonding

Why do all bonds form?

• To fill up the outer shell and become more stable.

• To look cool.

• To become less stable.

• So they don't have to be alone.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What part of an atom is involved in chemical bonding?

• proton

• neutron

• electron

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What kind of bond form when atoms share electrons?

• Covalent

• Ionic

• Metallic

• Non metallic

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NGSS.HS-PS1-1

The chemical bond between a metal and a non-metal will be a _____ bond.

• metal

• ionic

• covalent

• polar

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NGSS.HS-PS1-1

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

• Cr2O3

• CrO

• Cr3O2

• CrO3

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• covalent bond

• ionic bond

• metallic bond

• james bond

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

When bonding ​ (a)   receive electrons and become negative ​ (b)  

• nonmetals

• anions

• metals

• cations

When bonding ​ (a)   give up electrons and become positive ​ (b)  

• metals

• cations

• nonmetals

• anions

Match the following

• polar covelant

• equal sharing of electrons

• ionic

• Complete transfer of electrons

• non-polar covelant

• unequal sharing of electrons

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

• CO2

• NH3

• KBr

• Cl2