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Are ions and ionic compounds the same?
No, ions and ionic compounds are not the same. Ions are atoms or molecules that have gained or lost electrons, resulting in a positive or negative charge. Ionic compounds are formed when ions of opposite charges are attracted to each other and form a stable structure through electrostatic forces. So, ions are the individual charged particles, whereas ionic compounds are the result of the combination of these ions.
Why does different samples of a solid ionic compound are made up of crystals that have approximately the same shape?
Different samples of a solid ionic compound have crystals with approximately the same shape because the arrangement of ions in the crystal lattice structure is determined by the ratio of cations to anions in the compound. This ratio remains constant no matter the size of the sample, leading to similar crystal shapes.
What is the term of splitting ionic compounds into ions?
The splitting of ionic compounds into constituent ions is termed as dissociation.
Which substance has a chemical formula with the same ratio of metal ions to nonmetal ions as in potassium sulfide?
lithium, sodium, caesium, rubidium sulphides: Me2S.
What is a compound that is made of oppositely charged ions?
NaCl is the compound that is formed from a tight network of oppositely charged ions. NaCl, or sodium chloride, is better known as salt.
Can the complete ionic equation and the net ionic equation for a double replacement reaction ever be the same?
Yes. If both compounds are insoluable in water then the complete/overall ionic equation and the net ionic equation will look the same. The only way they look different is if there are spectator ions(ions that appear on both sides of the equation).
Is it true that in ionic compounds the oxidation number is the same as the charge on the ion . a neutral ionic compound can only contain ions with identical charges?
No, it is not true that a neutral ionic compound can only contain ions with identical charges. You can have, for example, a compound that consists of twice as many positive ions as negative ions, but the positive ions have only half the charge; +1 ions bonded to -2 ions. There are many different possible ratios with which different elements or radicals combine. As long as the total amount of charge adds up to zero, you still have a neutral ionic compound.
Why some compound do not have molecular formula?
Once you get into the realm of compounds you are really looking at two types---ionic and molecular. Molecular compounds are made up of all the same type of molecule, and those molecules consist of a series of atoms covalently bonded together. The molecular formula of a molecular compound gives the number of each type of atom that makes up the molecule. Ionic compounds are different---there are no definable molecules present, just lattices of alternating positive and negative ions (charged atoms). So unlike molecular compounds there is no definable subunit in an ionic compound. Instead ionic compounds are represented by the simplest ratio of ions in the compound. For instance, in table salt there is one sodium ion per chlorine ion so the formula is NaCl. that does not mean there are little NaCl molecules making up the compound, just that the ratio of those two ions is 1:1. In calcium chloride there are two chloride ions for every calcium ion, so its formula is CaCl2. So the simple answe to the question is that molecular formulas are not used for ionic compounds because they are not comprised of molecules. That does not keep people (even chemists) from referring to the formulas of ionic compounds as "molecular formulas" but it is technically a misnomer. Simply calling them "formulas" or "ionic formulas" would be more appropriate.
How can ionic compounds be neutral if they consist of positive and negative ions?
Ionic compounds are neutral because, even though they consist of positive and negative ions, the relative proportions between those ions are such that the total number of negative charges is the same as the total number of positive charges, thus summing to zero.
Are ionic compounds more likely to dissolve in water than covalent compounds?
Yes, ionic compounds are more likely to dissolve in water than covalent compounds because they can dissociate into ions when placed in water due to their charged nature. This makes them readily interact with water molecules through ion-dipole interactions, facilitating their dissolution. Covalent compounds generally do not dissociate into ions in water and may not have the same level of interaction with water molecules, making them less likely to dissolve.
Why double displacement reactions is do not take place in covalent bond?
Double displacement reactions typically occur in ionic compounds where ions exchange partners, leading to the formation of new compounds. In covalent bonds, the sharing of electrons does not allow for the same ionic exchange to happen, as covalent compounds do not dissociate into ions in solution. Additionally, the stability of covalent molecules often prevents the rearrangement necessary for a double displacement reaction. Therefore, these reactions are more characteristic of ionic compounds than of covalent ones.
Are molecular and covalent the same thing?
Molecular bonds and covalent bonds are indeed the same thing, this is because covalent bonds share pairs of electrons with their neighbor atom(s), unlike ionic compounds. Ionic compounds(mostly salts) are held together due the difference of their electric load, the bigger the difference in loading the more powerful the bond will be. Another difference is that ionic compounds split into ions when they are dissolved into solution..
