Lewis Structure of Ionic and Covalent Bonds

What is the correct Lewis Dot Structure for ammonia NH3

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Which is the correct molecular structure for carbon dioxide?

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This is the correct dot diagram for sodium (Na)

• true
• false

This is a correct dot diagram for fluorine (F)

• true
• false

Which Lewis Dot Model drawing correctly shows an O₂ molecule?

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How many total valence electrons are participating in bonding in the molecule above?

• 8

• 4

• 2

• 3

What type of bond forms between Be & F?

• no bond forms

• covalent bond

• ionic bond

• metallic bond

What 2 types of atoms make a covalent bond?

• 2 metals

• 2 noble gases

• 2 nonmetals

• 1 metal & 1 nonmetal

Covalent compounds

• contain a sea of electrons

• share electrons

• transfer electrons

• conduct electricity

How many valence electrons do most atoms need to be stable?

• 1
• 2
• 6
• 8