Module 4

Vocabulary

100

What is a Valence Electron

The electrons that exist farthest from the atom's nucleus.  

200

What is the Octet Rule?

Most atoms strive to attain 8 valence electrons.

300

What are the definitions of a Cation and Anion?

Cation-A positively charged ion.

Anion-A negatively charged ion. 

400

What is an Ion?

An atom that has gained or lost electrons, becoming electrically charged.

500

What is a covalent bond?

A shared pair of valence electrons that holds atoms together in covalent compounds. 

Fill in the Blank

100

Valence electrons are the electrons with the ________ energy level.

highest

200

Negative anions add a(n) _____ suffix to the name of the atom from which they came.

-ide

300

When 2 shared electron pairs make up a bond we call this a ______.

double bond

400

_____ has the highest ionization energy.

Helium

500

The ______  of an atom is an indicator of its size.

Atomic radius

Multiple Choice

100

Positive cations have the ________ name as the atom from which they came.

A. Different

B. Same

C. Opposite

D. Dumbest

B. Same

200

The process by which an atom returns into an ion by gaining or losing an electron

A. Periodic property

B. Ionization

C. Electronegativity

D. Electrons

B. Ionization

300

In general the ionization energy of atoms increases from the ____ of the periodic table to the _____ of the periodic table.

A.  left, right

B.  right, left

A. Left, right

400

Which of the following holds onto its electrons the tightest? 

A. Al

B. In

C. B

C. B

500

The measure of how strongly an atom attracts extra electrons to itself is:

A. atomic radius

B. electricity

C. electronegativity

D. muscles

C. electronegativity

Formula's

100

Draw the Lewis Structure for  the following atom:

Ca

Ca . 

  .

200

Give the Chemical Formula for the following compound:

beryllium chloride

BeCl(2)

300

What is the chemical formula for the compound that forms when cesium and nitrogen are reacted together

Cs(3)N

400

Draw the Lewis structure for CH(2)O.

See OYO 4.13

500

Order the following terms of increasing atomic radius:

As, K, Br, Se

Br < Se < As < K

True or False

100

An atoms chemistry or chemical behavior is determined mostly by the number of valence electrons it has. 

True 

200

The atoms in covalent compounds share electrons to form molecules, while the atoms in ionic compounds give and take electrons to form ion. 

True or False

True

300

Mrs. Owens is the best CC tutor ever!!!!

True or False

Of course this is True!

400

Ionization energy is the amount of energy needed to take an electron away from an atom.

True or False

True

500

Metal ions develop a negative charge in ionic compounds. 

True or False

False, they develop a positive charge.