Chemistry, 30.07.2019 21:30 earcake8692

The compound ncl3 is nitrogen trichloride, but alcl3 is simply aluminum chloride. why? check all that apply. check all that apply. the compound alcl3 is an ionic compound (metal and nonmetal), and therefore does not require prefixes\-âso alcl3 is aluminum chloride. ncl3 is a molecular compound (two or more nonmetals), and therefore in its name prefixes indicate the number of each type of atom\-âso ncl3 is nitrogen trichloride. alcl3 is a molecular compound (two or more nonmetals), and therefore in its name prefixes indicate the number of each type of atom\-âso alcl3 is aluminum chloride. the compound ncl3 is an ionic compound (metal and nonmetal), and therefore does not require prefixes\-âso ncl3 is nitrogen trichloride. none of the above.

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Answer from: u8p4

Answers are:
The compound AlCl3 is an ionic compound (metal and nonmetal), and therefore does not require prefixes\-−so AlCl3 is aluminum chloride.
NCl3 is a molecular compound (two or more nonmetals), and therefore in its name prefixes indicate the number of each type of atom\-−so NCl3 is nitrogen trichloride.
Nitrogen has different oxidation numbers, in this compound it has +3 and chlorine has -1, compound must have neutral charge.

Answer from: milly1903

The compound AlCl_3 is an ionic compound (metal and nonmetal) and therefore does not require prefixes so AlCl_3 is aluminum chloride.

NCl_3 is a molecular compound (two or more nonmetals), and therefore in its name prefixes indicate the number of each type of atom so

NCl_3 is nitrogen trichloride.

FURTHER EXPLANATIONBinary Ionic Compound NomenclatureIonic compounds are compounds made up of metals and nonmetals. Metals are elements that readily lose valence electrons and form positively charged ions called cations. Nonmetals are atoms that readily gain electrons and form negatively charged ions called anions.The electrostatic attraction between these oppositely charged ions pulls and holds them together forming the ionic compound.The compound is named based on the name of the cation and anion that it is made of.The cation name is simply the name of the metal element plus the word ion.The anion name is the first or first two syllables of the name of the nonmetal element plus the suffix -ide.Example: KCl

cation name: potassium ion

anion name: chloride

compound name: potassium chloride

Covalent (Molecular) Compound NomenclatureMolecular compounds are a group of nonmetal elements that are sharing their electrons for stability. They are named by using prefixes that correspond to their subscripts (how many atoms of the element is present in the molecule).The prefixes include:

mono - 1 hexa - 6

di - 2 hepta - 7

tri - 3 octa - 8

tetra - 4 nona - 9

penta - 5 deca - 10

The prefix mono- is never written for the first element of a covalent compound but may be used for the second or succeeding elements (e.g. CO is carbon monoxide NOT monocarbon monoxide).Example: CO_2

no. of carbon atom = 1 (mono-)

no. of oxygen atom = 2 (di-)

name of the compound: carbon dioxide

LEARN MOREIon Formation linkChemical Formula link

Keywords: nomenclature, ionic, molecular

Answer from: Quest

alienation, transformation, consumption, and the relativity of truth.

you can choose any one of these, they are all important themes.

these themes reflect the distinct sensibilities of both the modernist and postmodern aesthetic movements. (from google, you should paraphrase)

hope this !

- melanie

Answer from: Quest

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

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The compound ncl3 is nitrogen trichloride, but alcl3 is simply aluminum chloride. why? check all th...