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What is an ionic bond?
A bond that forms when electrons are transferred from one atom to another
Covalent compounds are formed when atoms
share valence electrons
What is the formula for the compound formed when aluminum ions(Al 3+) and chloride ions (Cl -) unite?
AlCl3
What is the formula for the compound formed by magnesium cation (Mg+2) and a fluoride anion (F-)
MgF2
What does a chemical formula show?
the number and type of each atom in a compound
What is the chemical formula for calcium oxide?
CaO
When do ionic bonds occur?
when electrons are transferred
What is the overall charge of the compound sodium chloride?
0
What is the formula for the cpm[ound formed when a potassium ion(K+) and a sulfide ion (S-2) unite?
K2S
Calcium (Ca) is in the second column of the periodic table and is classified as an alkaline earth metal. Which of the following formulas shows the ratio of a compound formed from calcium and iodine(I)?
CaI2
What is the metallic ion in the compound CuCl2?
Cu2+
A chemical formula includes the symbols of the elements in the compound and subscripts that indicate
the number of atoms or ions of each type
What is the sum of the charges in a compound?
0
What is the name of the compound BaCl2
barium chloride
What is the chemical formula for the compound sodium bromide?
NaBr
What is the name of the compound N2O?
nitrous oxide
