Periodic Table
Ionic Bonds
Formulas
More Formulas
Vocabulary
100
On the periodic table, the group number is a shortcut to identify what about an atom?
Number of valence electrons
100
What type of bonding involves the "transfer of electrons from a cation to an anion".
Ionic bonding
100
What is the name of this formula: NaI?
Sodium iodide
100
What is the name of this formula: LiS
Lithium sulfide
100

The structure of an ionic compound in which ions are packed together into a repeating array (regular order or arrangement)

Crystal lattice

200
Any elements in the same group or family will have the same number of what?
Valence Electrons
200
The overall charge of an ionic compound must always equal what?
Zero
200
How can a compound represent there being more than one atom of a particular element in the compound?
The amount is written as a subscript.
200
What is the formula for the compound sodium nitride?
Na3N?
200

An element or compound that cannot be broken down into simpler components without losing the properties of the original substance.

Substance

300
What rule refers to atoms losing or gaining electrons so they can achieve a full valence shell?
octet rule or duet rule
300
What type of ion will metals become during ionic bonding?
Cation
300
What is the name of the compound formed between aluminum and sulfur?
Aluminum sulfide
300
What is the name of the compound NaCl
Sodium Chloride
300

A substance made of two or more atoms held together by the sharing of electrons.

Molecule 

400
What group of elements will not react with other elements on the periodic table?
Group 8A, group 18, or the noble gases.
400
How many electrons would you expect phosphorous to gain when bonding with another element?
3 electrons
400
What is the name iron chloride missing?
The roman numeral for iron
400
What is the formula for calcium Carbide?
Ca2C
400

A substance in which the atoms of two or more different elements are held together by sharing or transferring electrons, in a fixed ratio.

Compound

500
What is the the oxidation number or charge of a magnesium ion
+2
500
An ionic bond is a bond formed between what 2 types of materials?
Metals and Nonmetals
500
Write the formula for the compound that is created by calcium and bromine bonding together.
CaBr2
500
What is the chemical formula for the compound created from Potassium and Oxygen
K2O
500

A positive or negative number that indicates how many electrons an atom can lose or gain to form a bond with another atom. (You can use column number to help you) ex: Sulfur gains 2 electrons and forms the anion S2−.

Oxidation number