Chemical Formulas
Valence Electrons
Ions
Ionic Compounds
Ms. Woodside
100

What are the two types of chemical formulas?

1. molecular formula

2. empirical formula

100

How many valence electrons does Fluorine have? 

7

100

What charge will Sodium take when it becomes an ion?

+1

100

What is the ionic compound formula for potassium oxide?

K2O

100

What is Ms. Woodside's dogs name?

Bear

200

What is a molecular formula?

A formula that shows the kinds of atoms present and the number of each atom present in a molecule of the compound.

200

What does the Lewis dot structure of Phosphorus look like? 

* draw picture on board *

200

What charge will oxygen take when it becomes an ion?

-2

200

What is the ionic compound name of Rb3N?

Rubidium nitride 

200

What is Ms. Woodside's favorite color?

Yellow

300

What is an empirical formula?

A chemical formula that shows the elements in a compound in their lowest whole number ratio.

300

How many valence electrons does Krypton have?

8

300

Define an ion.

An atom with a charge.

(From the gain or loss of electrons).

300

What is the ionic compound name of Pb3N2?

Lead (II) nitride 

300

What teacher at WMAA was Ms. Woodside's college roommate

Ms. Slater

400

Is C6H12O6 a molecular or empirical formula?

molecular 

400
How do you know if something will become a cation?

BONUS 50 points - what charge does a cation have?

It has less than 4 valence electrons.

Positive 

400

What is the ion name for selenium?

Selenide 

400

What is the ionic compound formula for Cobalt (II) hydroxide?

Co(OH)2

400

What sport did Ms. Woodside do in high school?

Track & field 

500
Can the empirical formula for a compound be the same as the molecular formula? If yes, give an example. If no, explain why.

yes, H2O.

500

How do you know if an element will become an anion?

It has more than 4 valence electrons.

500
What is the ion name for barium?

Barium ion.

500

What is the ionic compound formula for Lithium carbonate?

Li2CO3

500

What college did Ms. Woodside go to?

Aquinas College

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