Ch.3 - Chemical ReactionsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: What is the correct chemical formula for the ionic compound that forms from the elements calcium (Ca) and nitrogen (N)?a) Ca3N2 b) Ca2N2c) Ca2N3d) CaNe) cannot tell from the information given 

Solution: What is the correct chemical formula for the ionic compound that forms from the elements calcium (Ca) and nitrogen (N)?a) Ca3N2 b) Ca2N2c) Ca2N3d) CaNe) cannot tell from the information given 

Problem

What is the correct chemical formula for the ionic compound that forms from the elements calcium (Ca) and nitrogen (N)?

a) Ca3N

b) Ca2N2

c) Ca2N3

d) CaN

e) cannot tell from the information given 

Solution

We are being asked what will be the chemical formula of an ionic compound that is formed from the elements calcium (Ca) and nitrogen (N). Elements have common charges based on what group they belong to in the periodic table.

Elements gain and lose electrons so that they have the same number of electrons as the noble gases.

Metals → lose electrons and gain positive (+) charge to become more like their closest noble gas

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