Compound Names in Chemistry

Fill in the Blank

An ionic compound contains negatively and positively charged ions that combine in certain ratios so that the net charge of the compound is ___.

Multiple Choice

Which groups in the periodic table form negatively charged anions?

• Groups 1A, 2A, 3A

• Groups 5A, 6A, 7A

• Groups 1B to 8B

• Groups 4A, 5A, 6A

Fill in the Blank

The name of a cation is the element followed by the word ___.

Open Ended

Compare the formation of cations in Group 1A and Group 2A with the formation of cations by transition metals.

Multiple Choice

Which of the following correctly describes how to name a cation with more than one possible charge?

• Use the element's name and its charge in Roman numerals within parentheses.

• Add the suffix -ide to the element's name.

• Use the element's name only.

• Add the prefix 'hydro-' to the element's name.

Fill in the Blank

The name of an anion is formed by adding the suffix ___ to the element's name.

Open Ended

Explain how the naming of cations and anions differs, providing examples for each.

Multiple Choice

What is the correct way to name a binary ionic compound?

• The cation's name followed by the anion's name.

• The anion's name followed by the cation's name.

• Both names with the suffix -ide.

• The cation's name only.

Fill in the Blank

Fe2+ is called ___ ion in the Classical system.

Multiple Select

Which of the following statements about the Classical and Stock systems for naming ions are correct?

• The Classical system uses -ous and -ic suffixes.

• The Stock system uses Roman numerals in parentheses.

• The Classical system is used for more than two ions.

• The Stock system is used for elements with more than one possible charge.

Multiple Choice

What does a chemical formula indicate for a binary ionic compound?

• The ratio of atoms needed by each element to form a neutral compound

• The color of the compound

• The melting point of the compound

• The number of electrons in each atom

Open Ended

Explain the steps involved in the crisscross method for writing formulas of binary ionic compounds.

Fill in the Blank

The number of atoms in a chemical formula is written as ___ if the ratio is not 1:1.

Multiple Choice

Which of the following best describes a polyatomic ion?

• A group of atoms that behaves as a unit and carries a charge

• A single atom with a positive charge

• A molecule with no charge

• A metal cation only

Multiple Select

Which of the following suffixes and prefixes are used to indicate the number of oxygen atoms in polyatomic ions?

• -ite

• -ate

• hypo-

• per-

Fill in the Blank

The formula SO4 2− represents the ___ ion.

Multiple Choice

Which of the following best describes a covalent compound?

• A compound where atoms share electrons to achieve full valence shells.

• A compound formed from a metal and a nonmetal with balanced charges.

• A compound that always contains polyatomic ions.

• A compound where atoms transfer electrons to achieve full valence shells.

Multiple Select

Which of the following are correct rules for naming covalent compounds?

• Identify the elements and the number of atoms of each.

• Use numerical prefixes to indicate the number of atoms.

• The second element always ends with the suffix -ide.

• Always use the prefix 'mono-' for the first element.

Open Ended

Explain the difference between binary ionic compounds and ternary ionic compounds, and how their charges must balance.

Fill in the Blank

In covalent compounds, prefixes are used to indicate the number of ___ of each element.

Open Ended

What questions do you still have about force and motion, or is there anything you would like to know more about this topic?

Open Ended

How would you explain the difference between force and motion in your own words?