Ions
Properties of Ionic Compounds
Covalent Bonds
Extra Credit: (Only 500)
Extra Credit: (Only 500)
100
It is an atom or group of atoms that has because electrically charged.
What is an ion?
100
Salt, iron rust, baking soda, limestone, magnesium chloride, sodium bicarbonate, sodium oxide, ect.
Name a few ionic compounds.
100
A covalent bond.
When an atom shares an electron with another atom what is it called?
200
An ionic bond is the attraction between two oppositely charged ions.
What is an ionic bond?
200
Crystal shape, high melting points, and electrical conductivity
What are the 3 properties of ionic compounds? At least name one.
200
A double bond is when an atom shares 2 electrons with another atom.
What is a double bond?
300
Positive.
If an ion looses an electron does it become positive or negative?
300
The cystal shape of salt is cubic and the ration of sodium to chlorine is 1:1.
What is the cystal shape of salt, or what is the ratio of sodium to chlorine? Answer one.
300
It means the ion has a slightly (+) side and a slightly (-) side.
What does the term polar mean?
400
A sodium and chlorine atom.
Salt is a combination of what two atoms?
400
Sodium, Chlorine, Sodium, Chlorine...
In what patern do sodium and chlorine join together to make a crystal? EX: Sod., Sod., Chl., Chl... (random patern).
400
It is polar.
Is salt polar (see question 300 in Covalent Bonds) or nonpolar?
500
Neither, they cancel each other out, one is slightly positive the other slightly negative, like a weak maget, together they are neutral.
After a sodium and chlorine atom combine do they become positively or negatively charged?
500
Halite crystal.
What is the name for a salt crystal? EX: ______ crystal. (The answer isn't salt crystal.)
500
Water is polar, and carbon dioxide is nonpolar.
Which is polar and which is nonpolar: water and carbon dioxide?
500
The ionic bonds will pull apart.
What happens if you heat an ionic compound, like table salt?
500
Yes, solid ionic compounds however do not.
Does an ionic compound, disolved in water, conduct electricity?
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