Writing and naming compounds

Front

What is a compound formula?

Back

A compound formula is a chemical expression that shows the elements in a compound and the ratio of atoms of each element.

Front

What is the compound formula for sodium ions (Na+) and chloride ions (Cl-)?

Back

NaCl

Front

What is the name of the ionic compound LiBr?

Back

Lithium bromide

Front

What is the overall charge of a neutral atom?

Back

Neutral

Front

What is the compound formula for zinc ions (Zn+2) and sulfide ions (S-2)?

Back

ZnS

Front

What is the name of the ionic compound MgCl3?

Back

Magnesium chloride

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed by the transfer of electrons between atoms, while covalent compounds are formed by the sharing of electrons.

Front

What is the significance of the subscript in a chemical formula?

Back

The subscript indicates the number of atoms of the element in the compound.

Front

How do you determine the name of a compound from its formula?

Back

Identify the cation (positive ion) and anion (negative ion) and combine their names, adjusting for any prefixes or suffixes as needed.

Front

What is the formula for the compound formed by potassium ions (K+) and sulfate ions (SO4-2)?

Back

K2SO4