A characteristic of ionic solids is that they
A. have high melting points
B. have low boiling points
C. conduct electricity
D. are noncrystalline
What is A. have high melting points.
100
Magnesium Chloride
What is MgCl2
100
The formula that is correctly paired with its name:
A. MgCl2 - magnesium chlorine
B. K2O - phosphorus dioxide
C. CuCl2 - copper (II) chloride
D. FeO - iron (III) oxide
What is C. CuCl2 - copper (II) chloride?
100
The correct formula for sodium oxide.
What is Na2O?
100
When a potassium atom reacts with bromine, the potassium atom will
A. lose only 1 electron
B. lose 2 electrons
C. gain only 1 electron
D. gain 2 electrons
What is A. lose only 1 electron?
200
The type of compound that has a high melting point, dissolves in water, and conducts electricity when dissolved in water.
What is an ionic compound?
200
The atom that will form an ionic bond with a Br atom:
A. N (nitrogen)
B. Li (lithium)
C. O (oxygen)
D. C (carbon)
What is B. Li (lithium)?
200
The correct name of Fe2O3.
What is iron (III) oxide?
200
The correct formula for potassium phosphide .
What is K3P?
200
The net charge of an ion that consists of 10 electrons, 11 protons, and 12 neutrons.
What is +1?
300
True or False: a substance that does not conduct electricity as a solid but does conduct electricity when melted or dissolved in water is most likely an ionic compound.
What is true?
300
What is Al2S3?
What is Aluminum Sulfide?
300
The correct name for the compound with the formula CrP.
What is chromium (III) phosphide?
300
The formula for iron (III) oxide.
What is Fe2O3?
300
The total number of electrons in a Mg2+ ion.
What is 10?
400
The meaning behind the property hard & brittle.
What is hard - uses force to break; brittle - when broken it shatters into crystals?
400
BaCl2
What Barium Chloride?
400
The correct name of the compound that has the formula RbI
What is Rubidium Iodide?
400
The correct formula for iron (III) sulfide.
What is Fe2S3?
400
A K atom differs from a K+ ion in that the K ion has one
A. more electron
B. more proton
C. less electron
D. less proton
What is C. less electron?
500
The five properties of an ionic compound.
What is high melting point, high boiling point, crystalline, hard & brittle, conducts electricity when melted or dissolved in water?
500
Sodium Oxide
What is Na2O
500
The name of the compound with the formula MgS.
What is magnesium sulfide?
500
The formula that represent lead (II) phosphide.
What is Pb3P2?
500
As a sodium atom forms a sodium ion, the number of protons in its nucleus: decreases, increases, or stays the same.
What is stays the same? PROTONS DO NOT EVER CHANGE. If you change the protons you change the element/atom.