Lewis Dot Structures,Writing and Naming Ionic Compounds

This is the correct dot diagram for sodium (Na)

• true
• false

This is a correct dot diagram for oxygen (O)

• true
• false

This is a correct dot diagram for fluorine (F)

• true
• false

This is the correct dot diagram for nitrogen (N)

• true
• false

This is a correct dot diagram for magnesium (Mg)

• true
• false

This is a correct dot diagram for carbon (C)

• true
• false

This is a correct dot diagram for neon (Ne)

• true
• false

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

What is the correct formula for this molecule?

• Si₄F
• SiF₄
• SiF
• Si₄F₄

What 2 types of atoms make a covalent bond?

• 2 metals

• 2 noble gases

• 2 nonmetals

• 1 metal & 1 nonmetal

Answer explanation

A covalent bond is formed between 2 nonmetals.