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3.06b IUPAC Name for NiCO3

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Química

Universidad de Kentucky

4.7 (667 calificaciones) | 67K estudiantes inscritos

This course is designed to cover subjects in advanced high school chemistry courses, correlating to the standard topics as established by the American Chemical Society. This course is a precursor to the Advanced Chemistry Coursera course. Areas that are covered include atomic structure, periodic trends, compounds, reactions and stoichiometry, bonding, and thermochemistry.

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4.7 (667 calificaciones)

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Jun 21, 2017

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Dec 30, 2016

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De la lección

Week 3

Now that we know the structure of an atom, we can explore how atoms combine to form either molecular or ionic compounds. Then we will learn the rules of nomenclature that ensure that a compound is named according to IUPAC rules. We will end this unit by looking at quantitative relationships for compounds including the molar mass of and mass percent of an element in a compound.

3.01 Elements vs. Compounds 14:40

3.02 Types of Chemical Bonds 7:25

3.03 Chemical Formulas 7:37

3.04 Formula of ionic compounds 12:46

3.04a Formula of the compound formed from aluminum and phosphorus 1:19

3.04b Formula of the compound formed from ammonium and phosphate 1:27

3.05 Nomenclature 6:26

3.06 Nomenclature of Ionic Compounds 10:42

3.06a IUPAC Name for K2SO4 0:57

3.06b IUPAC Name for NiCO3 1:54

3.06c Formula for manganese(II) flouride 0:52

3.06d IUPAC Name for AgNO3 1:04

3.06e Formula for chromium(III) oxide 1:00

3.07 Nomenclature of Molecular Compounds 8:41

3.07a IUPAC Name for PCl3 1:21

3.07b IUPAC Name for N2O1:01

3.07c Formula for boron triflouride 0:40

3.08 Nomenclature of Acids 5:54

3.09 Molar Mass of Compounds 11:41

3.09a Molecular Mass of Al2(Cr2O7)31:47

3.09b Mass of a sample of vitamin C 2:39

3.09c Moles of sucrose within a sugar cube 2:03

3.10 Mass percent composition 8:55

3.10a Mass percent of chromium 1:53

3.10b Mass of CaCl2 containing chlorine 2:29

3.11 Relationships from Chemical Formulas 11:39

3.11a Mass of H in Ca(H2PO4)2 3:30

3.11b Mass of NH3 2:13

3.12 Chemical formulas from experimental data 9:46

3.12a Empirical formula of a compound containing sulfur and oxygen 2:13

Impartido por:

Dr. Allison Soult
Lecturer
Dr. Kim Woodrum
Sr. Lecturer

Transcripción

In this problem, we want to find the IUPAC name for NiCO3.

Again the first question that we always ask ourself is this molecular or ionic?

I noticed that I have Nickel which is a metal.

And Carbonate, which is a polyatomic ion.

And so, this indicates that I'm dealing with an ionic compound.

And so, I'm going to have to name it accordingly.

Now also notice that Nickel is a transition metal,

which means I have to indicate in the name what the charge is on the Nickel.

So let's look at first assigning the charge to the Nickel before we

write the name.

Now I know I have one Nickel ion with some charge that we're going to call x,.

Plus one Carbonate ion, and the charge on that is two minus.

Because this is a neutral compound,

the sum of those ionic charges should sum to zero.

And so I can actually just solve for x,

and find that the charge on the Nickel was going to be two plus.

Now, I can write the name of my compound.

And I'm going to say nickel.

And in parentheses I'm going to put the Roman numeral II and

then the name of my anion my carbonate.

A couple of things to note here one these are Roman numerals indicating

the charge on the nickel.

There's no space between the name of the metal and the opening parentheses.

We don't change the ending of the carbonate because it's

a polyatomic ion we use those names as is.

Remember that the only three transition metals that we do

not use Roman numerals for.

Are Silver, which has a plus one charge, Zinc has two plus,

and Scandium, which has a three plus.

Because, for those three transition elements,

there's really only one possible charge.

So a Roman numeral is not needed.

All other transition metals will get the Roman numeral.

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