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www.reference.com/article/formula-carbonate-ion-900038b039a3b873

The formula for a carbonate ion is CO3(2-) according to Los Angeles City College. This ion is a strong base, so it attracts protons in aqueous solutions.

www.reference.com/science/formula-oxide-ion-3348d3185e216fb7

The formula for an oxide ion is O2-, which shows that it is an anion. An oxide is a compound formed by the combination of oxygen and another element. Oxygen can form many different oxide compounds with both metals and nonmetals.

www.reference.com/article/formula-sulfate-ion-4f5948853dbe430f

The formula for the sulfate ion is SO42-. The polyatomic ion is also just referred to as sulfate or sulphate.

www.reference.com/science/formula-iodide-ion-c72b8d5b9b06b27b

The formula for the iodide ion is written as an I followed by the superscript -1. Iodine has several possible oxidation states of 7, 5, 1 and -1. However, the iodide ion indicates the -1 charge.

www.reference.com/article/sulfide-ion-formula-d930a5eefa530013

The sulfide ion formula is S2-. The sulfide ion is an additive with a molar mass of 32.065 g mol-1. Molar mass is necessary for completing calculations when using sulfide in chemistry experiments.

www.reference.com/article/use-baby-formula-feeding-chart-fd66d06e192c9ae7

Parents can use a formula feeding chart as a guide to ensure that their children are getting the nutrients required for proper growth. A feeding chart also is beneficial to make sure that a baby eats enough throughout a 24-hour period. For the first few weeks after birth, an infant may have two to t

www.reference.com/science/chemical-formula-phosphate-ion-9e93341308d34209

The chemical formula for a phosphate ion is [PO4]3-. The formula indicates that one ion of phosphate contains one atom of phosphorus, represented by the P and four atoms of oxygen, symbolized by O4. The superscript 3- indicates that the ion carries a charge of -3.

www.reference.com/science/formula-nitride-ion-a7caedd5d48fb5f7

The formula for nitride ion is N3?. The term nitride ion refers to any chemical compound containing nitrogen ions that have a negative-three oxidation state.

www.reference.com/article/formula-compound-contains-polyatomic-ions-fadae84529245015

The formula for compounds containing polyatomic ions depends on the particular compound in question. There is no one standard formula for all compounds, although there is a standardized method for writing such formulas.

www.reference.com/article/ions-formed-efe7ca434c2a367c

Ions are formed when an atom loses or gains its electrons and protons. An ion is different than a neutral atom because a neutral atom has an equal number of protons and neutrons within it.