Chemical Bonding

A __________is a substance that is made up of two or more different elements chemically bonded together.

• Compound

• Gas

• Solid

• Chemical bond

When bonding occurs, atoms tend to reach an electron arrangement with eight electron in the outermost energy level. This is called?

• Hunds Rule

• Octet Rule

• Electron negativity

• Noble Gases

Which of the following is NOT an exception to the octet rule?

• Helium

• Noble gases

• Transition metals

Ionic compounds conduct electricity in

• Molton

• Water

• Neither

• Air

An ion

• is a Positively charged atom or group of atoms

• is a Negatively charged atom or group of atoms

• is a charged atom or group of atoms

Positive ions=

• Cations

• Anions

The three-dimensional arrangement of ions is called a

• Ionic bond

• Crystal lattice

• NaCL

• Salt

What is the formula for the sulfite ion?

• SO₃^2-

• SO₄^2-

• S^2-

What is the formula for the copper (II) ion?

• Cu^2-

• Cu₂

• Cu²⁺

What is the formula for the dichromate ion?

• CrO₄^2-

• Cr₂O₇^2-

• CO₃^2-