Show:
Ions
Valence Electrons
Ionic Bonds
Covalent Bonds
Naming
100
What does an atom have to do to become a positive ion?
Lose an electron
100
What determines if the atom will bond with another?
valence electron
100
Ionic bonds form between a _____ ion and a ______ ion.
A positive and negative ion
100
When does a covalent bond form?
A covalent bond forms when atoms share electrons.
100

NaCl

Sodium Chloride

200
What does an atom have to do to become a negatively charged ion?
gain electrons
200
How many valence electrons are in group 16?
6
200
Ionic bonds form between what classes of elements?
Metals and nonmetals
200
What class of elements does a covalent bond form between?
A covalent bond forms between nonmetals.
200

CaCl2

Calcium Chloride

300
what is an ion
a charged atom
300
based on the number of valence electrons would elements in group 18 make bonds?
no
300

What is the formula for the compound Magnesium Chloride?

MgCl2

300
Water is made when oxygen is bonded to another element with covalent bonds. What is the other element and how many atoms of that element is needed?
The other element is hydrogen, and two hydrogen atoms are needed.
300

Iron (III) Oxide

Fe2O3

400
Would two positive ions make bonds?Why?
No, because alike charges are not attracted to each other.
400
How many valence electrons does aluminum have?
3
400
A negatively charged atom gains electrons when it is bonded to another with an ionic bond, so the atom becomes more ________.
Negative
400

Name the 3 types of covalent bonds we talked about.

Single, double, and triple

400

Magnesium Oxide

MgO

500
What is a Cation?
a positively charged ions
500
why wont elements in group 18 make bonds?
because their outer shell is full
500

Ionic bonds are formed when electrons are - 

transferred

500

What is the formula for Dinitrogen Pentoxide?

N2O5

500

PbO2

Lead (IV) Oxide