UNIT 2 Review

• The primary factor that determines whether a compound will have ionic or covalent bonds is their

• radio

• • electronegativity

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What is the energy that ionic compound produce

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Covalent bonds are made of:

• non-metals

• Similar electronegativity

• Relatively size

• All of them

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Diatomic molecules only happens between

• Hydrogen (H)

• Aluminum (Al)

• Potassium (K)

• Iodine (I)

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Put the bond where it goes

Groups:

(a) Covalent

,

(b) Ionic

• H-H
• Ca-F
• F-F
• Mg-O
• S-S
• C-C
• Cs-Cl
• N-N
• Al-O
• Br-Br
• Li-I
• O-O

• Cl-Cl

• K-Br
• Ba-S
• Na-Cl

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Ionic bonds are made of

• Metal and Non Metal

• Metal and Metal

• Non Metal and Non Metal

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Covalent Bond is made of

• Metal and Metal

• Metal and Non Metal

• Non Metal and Non Metal

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Cations and Anions

Groups:

(a) Cations

,

(b) Anions

• Ca2+
• F-
• Ba2+
• Cl-
• Br-
• I-
• Al+

• Mg2+
• Na+
• NO3-

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Do I lose, gain, or share?

Groups:

(a) Covalent

,

(b) Ionic

,

(c) Metallic

• Share Electrons.

• Lose

• Gain

• Share Electrons

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