Chemistry B Exam Review

How many valence electrons does Lithium have?

• 1
• 2
• 3
• 4

This is a correct dot diagram for fluorine (F)

• true
• false

Valence electrons are located...

• inside the nucleus
• in outer space
• on the outermost orbit of an atom

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Metals tend to 

• gain electrons
• lose electrons

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If my charge becomes 2+ what does that say about me?

• I am stealing 2 electrons
• I am losing 2 electrons
• I am in period 2
• I have an atomic # of 2

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How do the following two elements bond together?

Na + F

• NaF

• NaF₃

• Na₃F

• Na₁F₂

How do the following two elements bond together?

Cr³⁺ + O^2-

• CrO

• Cr₃O₂

• Cr₂O₃

• CrO₃

What is the ionic compound formed between Ba and P?

• Ba₂P₃
• Ba₃P₂
• BaP
• Ba₂P₂

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The chemical formula of sulfur hexabromide is

• SBr₆
• S₆Br
• S(VI)Br
• S6Br

The chemical formula of dinitrogen tetroxide is

• Ni₂O₄

• NiO

• N₂O₄

• NiO₂