Binary Ionic Compounds: Naming and Writing formulas

Front

What is a binary ionic compound?

Back

A binary ionic compound is a chemical compound composed of two different elements, typically consisting of a metal and a non-metal, that are held together by ionic bonds.

Front

How do you name a binary ionic compound?

Back

To name a binary ionic compound, write the name of the metal (cation) first, followed by the name of the non-metal (anion) with its ending changed to '-ide'.

Front

What is the formula for sodium bromide?

Back

NaBr

Front

What is the formula for potassium oxide?

Back

K2O

Front

What is the formula for calcium chloride?

Back

CaCl2

Front

What is the formula for sodium oxide?

Back

Na2O

Front

How do you determine the charge of a cation in a binary ionic compound?

Back

The charge of a cation is determined by its group number in the periodic table; for example, group 1 elements have a +1 charge, group 2 elements have a +2 charge.

Front

How do you determine the charge of an anion in a binary ionic compound?

Back

The charge of an anion is typically determined by its group number in the periodic table; for example, group 17 elements (halogens) have a -1 charge.

Front

What is the formula for a compound formed between strontium and selenium?

Back

SrSe

Front

What is the significance of the crisscross method in writing formulas for binary ionic compounds?

Back

The crisscross method involves using the charges of the cation and anion to determine the subscripts in the formula, ensuring that the overall charge of the compound is neutral.