Ions

Valence Electrons

100

How many valence electrons does hydrogen have?

What is 1

200

How many valence electrons does Al have?

What is 3

300

How do you use valence electrons to figure out ion charge?

What is more than 4 subtract 8 from valence electrons (negative), less than 4 the charge is the same as valence electrons (positive)

400

How do you figure out valence electrons using the periodic table?

What is group number if less than 10 otherwise digit in ones place

500

What is one of the exceptions to the octet rule?

He, H, Be, Li, B, transition metals

Compound Names

100

name MgO

Magnesium Oxide

200

Name Ca3N2

What is calcium nitride

300

name SrI2

What is Strontium Iodide

400

 What is the name of Fe2O3? What is the name of K3P?

What is iron(III) oxide 

Potassium Phosphide

500

How is naming polyatomic anions different from naming regular single element anions? What are the steps in naming ionic compounds?

don't change the ending to ide write cation, write anion, change ending of anion to ide

Compound Formulas

100

what is the formula for sodium chloride?

What is NaCl

200

What is wrong with the formula NACL?

letters capitalized

300

What is wrong with the formula: CaF?

you need a 2 after F

400

What is the compound formula for Aluminum Sulfide?

Al2S3

500

What are the steps in the criss cross method?

1. Write ions with charges included 2. criss cross 3. remove -/+ and 1s 4. reduce to lowest terms

Lewis Dot

100

How many valance electrons is gold donating in AuP?

3 

200

How many dots are there in the lewis dot structure of O?

What is O with 6 dots

300

What is the formula bismuth (V) phosphide

Bi₃P₅

400

How many dots do most ions like to achieve? 

What is 8

500

What makes compounds form? what holds the atoms together? 

electrostatic force between charges 

Grab Bag

100

does Rb make a cation or an anion?

What is cation

200

Why doesn't group 4A generally make ions?

it takes too much energy to gain or lose 4 electrons

300

what is wrong with the name Iodine Potassium

the cation and anion are switched and it should end in ide

400

What is wrong with the compound name of Barium Bromine

it should be barium bromide

500

How are ionic bonds formed?

electrons are transfered from a one atom to another, forming a cation and an anion with opposite charges that are attracted to each other