Day 20 - Formula Writing

Day 20 - Formula Writing

Formula Writing Cont.

• Ionic and Covalent

• Remember Oxidation Numbers

• In what bond are Electrons Shared

• In what bond are Electrons Transferred

Multiple Choice

Which of the following is the formula of calcium fluoride?

• CaF

• Ca₂F

• CaF₂

• Ca₃F₂

Multiple Choice

Polyatomic Ions is easily described as -

• Many atoms with a charge

• a Positive ion

• a Negative ion

• Two elements with more neutrons than electrons

Multiple Choice

Which of the following is a Cation?

• Ca⁺

• F^-

• Br^-

• OH^-