Show:
Valence Electrons
Compound Names
Compound Formulas
Grab Bag
100
How many valence electrons does hydrogen have?
What is 1
100
name MgO
Magnesium Oxide
100
what is the formula for sodium chloride?
What is NaCl
100
what is wrong with the name Iodine Potassium
the cation and anion are switched and it should end in ide
200
How many valence electrons does Al have?
What is 3
200

Name Ca3N2

What is calcium nitride

200

What is wrong with the formula lIcL for lithium chloride?

What is wrong letters capitalized

200
What is wrong with the compound name of Barium Bromine
it should be barium bromide
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)
300

Name SrI2

What is Strontium Iodide

300
What is wrong with the formula: CaF?
you need a 2 after F
300
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
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
400

What is the name of K3P?

Potassium Phosphide

400
What is the compound formula for Aluminum Sulfide?
Al2S3
400
does Rb make a cation or an anion?
What is cation
500
What is one of the exceptions to the octet rule?
He, H, Be, Li, B, transition metals
500

What suffix (word ending) do polyatomic anions that end in oxygen have (i.e. -CO3)

-ate

500

What are the steps in the swap & drop method?

1. Write ions with charges included 2. Swap to other ion 3. Put the number in subscript (no charge)

500

Why doesn't group 14 generally make ions?

it takes too much energy to gain or lose 4 electrons