Holt Ch 7 PPt

Multiple Select

Which of the following steps are involved in writing the formula for a binary ionic compound?

• Write the symbols for the ions side by side

• Cross over the charges to give subscripts

• Divide the subscripts by their largest common factor

• Write the anion first

Multiple Choice

What is the formula for the binary ionic compound formed between zinc and iodine?

• ZnI2

• ZnI

• Zn2I

• Zn2I2

Multiple Choice

Which of the following is an example of an ionic compound?

• CCl4

• MgCl2

• H2O

• CO2

Open Ended

Why is understanding chemical formulas important in the study of chemistry?

Multiple Choice

What does the subscript in a chemical formula indicate?

• The number of atoms of each element in a molecule

• The type of chemical bond present

• The molecular mass of the compound

• The color of the compound

Open Ended

Explain the difference between the way a chemical formula represents a molecular compound and an ionic compound.

Multiple Choice

What is the correct name for the ion F⁻?

• Fluoride anion

• Fluorine cation

• Fluorite

• Fluorate

Multiple Select

Which of the following statements are true about binary ionic compounds?

• They are composed of two elements.

• The total numbers of positive and negative charges must be equal.

• They always contain a transition metal.

• Their formulas can be written given the identities of the ions.

Open Ended

Explain the 'crossing over' method used to determine the formula of a binary ionic compound, using aluminum oxide as an example.

Open Ended

Explain the process of determining the formula for a binary ionic compound when given the ions Zn2+ and S2-.

Open Ended

Describe the process for determining the ratio of ions in a binary ionic compound and why this ratio is important for naming the compound.

Multiple Choice

When naming a binary ionic compound, which part is named first?

• The anion

• The cation

• The element with the higher atomic number

• The element with the lower atomic mass

Open Ended

Why is it important to use the Stock system of nomenclature for elements like iron?

Multiple Choice

Write the formula and give the name for the compound formed by the ions Cr3+ and F-.

• CrF3, chromium(III) fluoride

• Cr3F, chromium(III) fluoride

• CrF, chromium(III) fluoride

• Cr3F3, chromium(III) fluoride

Multiple Choice

What is the correct formula for the compound formed between Cr3+ and F- ions?

• CrF3

• Cr3F

• Cr3F2

• CrF

Open Ended

Explain why the name of the 3+ chromium ion must be followed by a Roman numeral when naming binary ionic compounds.

Multiple Choice

What is the name of the ion ClO4-?

• perchlorate

• chlorate

• chlorite

• hypochlorite

Multiple Choice

Which of the following is an example of a binary ionic compound?

• MgCl2

• CCl4

• H2O

• CO2

Open Ended

Reflecting on today's lesson about chemical names and formulas, what is one concept you found most interesting or would like to learn more about?