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Periodic Table
Ionic Bonds
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Physical/Chemical Change
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 melting of ice is this type of change

Physical

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 (little number like this)

200
What is the formula for the compound sodium nitride?
Na3N?
200

A physical change includes bubbles being produced in a reaction such as elephant toothpaste

No -- no heat was added into the reaction, the heat was PRODUCED from the reaction, along with O2 and H2 gas.
300

What is the maximum number of electrons an element in the first three rows/periods can hold in their orbitals?

8 electrons

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

Name three of the 5 physical change indicators

Melting, Boiling, Freezing, Breaking, Dissolving

400

What are the three subatomic particles that make up each element in the periodic table?

Protons, Neutrons, Electrons

400
How many electrons would you expect phosphorous to gain when bonding with another element?
3 electrons
400

What is the name Sodium Chlorine missing?

The nonmetal having an "-ide" ending.

400

What does the "di" mean in carbon dioxide?

2; "di-oxide" means "two oxygen [atoms]"

400

Name 3 of the 5 chemical indicators

Bubbles (without presence of heat added), Color change (when neither substance had color before), Temperature change, Change in odor/taste, Cloudiness appears in solution.

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

Diluting of an acid into water is an example of this type of change:

Physical -- same as dissolving, however the concentration of the solution is getting lower.