Ionic bonds

Ionic bonds

Octet Rule

elements tend to bond in such a way that each atom has eight electrons in its valence shell

Ionic Bonds

metal and non metal

Ionic Bonds

complete transfer of electron

Ionic Bond

Forms cation and anion that are held together due to electrostatic attraction forces

Ionic Bond

Crystal lattices

Ionic Bonds

Conduct electricity in solution

Ionic Bonds

Higher melting and Boiling points

Multiple Choice

Chemical bond is ...

• the physical mixing of two different atoms.

• the force that holds two atoms together

• the energy used up when two atoms combined.

• the temperature that changes the phase of matter.

Multiple Choice

Predict the bond that will form between Sr and S.

• Ionic

• Covalent

Multiple Choice

Predict the bond that will form between Be and F.

• Ionic
• Covalent

Multiple Choice

The octet rules states that most elements want to have _____ valence electrons.

• 2

• 4

• 6

• 8

Multiple Choice

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

• -2

• -1

• +1

• +2

Multiple Choice

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

• -2
• -1
• +1
• +2

Multiple Choice

What kind of bond forms when atoms exchange electrons?

• ionic
• covalent
• artificial
• univalent

Multiple Choice

What is the name for an ion with a negative charge?

• cation
• anion
• onion
• union

Multiple Choice

What is the name for an ion with a positive charge?

• cation
• anion
• onion
• union

Multiple Choice

Ionic bonds are between...

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

Multiple Choice

Which of these is not a real bond in chemistry?

• James

• Ionic

• Covalent

• Metallic

Multiple Choice

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

Multiple Choice

Why do elements bond?

• To be friends

• To create a new element

• To become stable

• To get bigger

Octet