Chemical Bonding

If an atom ​ (a)   electrons, it will become negative.

If an atom ​ (b)   electrons, it will become positive.

• gains
• loses
• destroys
• creates

How many electrons do most elements want to have in their outer shell to be stable?

What ionic charge would an element with this electron dot diagram take on?

What ionic charge would an atom with this electron dot diagram form?

• +2

• 2

• -2

Ionic bonds are between...

• nonmetals and nonmetals
• carbon and oxygen
• metals and nonmentals
• hydrogen and chlorine

What are valence electrons?

• sum of the protons and neutrons
• protons minus electrons
• electrons in the inner shells
• electrons in the outer shell

If an atom gains two electrons what charge will it have?

• -2
• -1
• +1
• +2

How many valence electrons does oxygen have?

• 2
• 4
• 5
• 6

Same repel, opposites

• avoid
• attract
• push
• pull