Table of Contents
- 1 What is a property of an ionic compound quizlet?
- 2 Which is a property shared by most molecular compounds?
- 3 Which of the following is a characteristic of most ionic compounds?
- 4 What are the 5 properties of ionic compounds?
- 5 What does the 2 tell you in MgBr2?
- 6 What is the correct name for the compound na2s?
- 7 Do most ionic compounds break under stress?
- 8 What type of crystal should be hardest give example?
What is a property of an ionic compound quizlet?
What are the properties of ionic compounds? All ionic compounds form crystals. Ionic compounds tend to have high melting and boiling points. Ionic compounds are very hard and very brittle. Ionic compounds conduct electricity when they dissolve in water.
Atoms and Bonding
|covalent bond||a chemical bond formed when two atoms share electrons|
|a double bond||two pairs of electrons shared between two atoms|
|s property shared by most molecular compounds||low melting point|
|molecular compounds do not conduct electricity||because they do not break up into ions|
Which of the following is a characteristic of most ionic compounds?
Ionic compounds typically have high melting and boiling points, and are hard and brittle. As solids they are almost always electrically insulating, but when melted or dissolved they become highly conductive, because the ions are mobilized.
What happens to an ionic crystal when a force is applied to it?
Ionic compounds are generally hard, but brittle. The repulsive forces between like-charged ions cause the crystal to shatter.
What properties may be used to form ionic compounds quizlet?
An ion forms by getting an electron from another atom. 2) What properties may be used to identify ionic compounds? The properties crystal shape, high melting points, and electrical conductivity can be used to identify ionic compounds.
What are the 5 properties of ionic compounds?
Properties Shared by Ionic Compounds
- They form crystals.
- They have high melting points and high boiling points.
- They have higher enthalpies of fusion and vaporization than molecular compounds.
- They’re hard and brittle.
- They conduct electricity when they are dissolved in water.
- They’re good insulators.
What does the 2 tell you in MgBr2?
Magnesium bromide is an ionic compound with the chemical formula MgBr2. What does the “2” tell you? There are two bromide ions for every magnesium ion.
What is the correct name for the compound na2s?
CHEBI:76208 – sodium sulfide (anhydrous)
|ChEBI Name||sodium sulfide (anhydrous)|
|Definition||A sulfide salt with formula Na2S. The pentahydrate and (particularly) the nonahydrate are also known. In gel form, sodium sulfide is used to soften toenails to assist in trimming (and so relive pain) of ingrowing toenails.|
What are 3 basic characteristics of ionic compounds?
What are the defining characteristics of an ionic compound?
Ionic compounds have high melting points. Ionic compounds are hard and brittle. Ionic compounds dissociate into ions when dissolved in water. Solutions of ionic compounds and melted ionic compounds conduct electricity, but solid materials do not.
Do most ionic compounds break under stress?
Ionic crystals have low boiling point compared to molecular crystals. Most ionic compounds are brittle and break under stress.
What type of crystal should be hardest give example?
Diamond is the hardest material known, defining the upper end of the 1-10 scale known as Moh’s hardness scale. Diamond cannot be melted; above 1700 °C it is converted to graphite, the more stable form of carbon. The diamond unit cell is face-centered cubic and contains eight carbon atoms.