Formulas for Binary Compounds

Front

What is the charge of a calcium (Ca) ion?

Back

+2

Front

What is an atom that has lost or gained electrons?

Back

Ion

Front

What is the chemical formula for sodium sulfide (Na and S)?

Back

Na₂S

Front

What is the chemical formula for the ionic compound of potassium and oxygen?

Back

K₂O

Front

How do aluminum (Al) and oxygen (O) bond together?

Back

Al₂O₃

Front

What is a cation?

Back

A positively charged ion.

Front

What is an anion?

Back

A negatively charged ion.

Front

What is the formula for the ionic compound formed by magnesium (Mg) and chlorine (Cl)?

Back

MgCl₂

Front

What is the formula for the ionic compound formed by aluminum (Al) and sulfur (S)?

Back

Al₂S₃

Front

What is the charge of a sodium (Na) ion?

Back

+1