Chemistry Semester Review 2

Periodic Trends

100

Which of the elements on the periodic table has the highest electronegativity?

Fluorine

200

Which of the elements on the periodic table has the largest atomic radius?

Francium

300

Which element on the periodic table has the lowest ionization energy?

Francium

400

List the following elements from highest to lowest ionization energy?

K,S,Ne, Be

Ne, S, Be, K

500

Arrange the elements from greatest to lowest atomic radius.

Sr, Be, Ca, Mg

Sr, Ca, Mg, Be

Chemical Bonding

100

When a nonmetal combines with a nonmetal, it forms a(n) _______________ bond.

Covalent

200

The chemical bond formed when two atoms transfer (gain or lose) electrons is called a(n)

ionic bond

300

CO₂ is an example of what type of bond?

Covalent

400

What type of bond is being described?

High boiling point, Crystal lattice, Conducts electricity when dissolved in water.

Ionic

500

Which type of bond is described as having a sea of electrons?

Metallic

Ionic Bonds

100

Which is the correct formula for the polyatomic ion nitrite?

(NO₂)^-1

200

Which of the following is an ionic bond?

a. NF₃

b. CO₂

c. H₂O

d. NaBr

NaBr

300

Which is the correct formula for the compound beryllium nitride?

Be₃N₂

400

What is the correct formula when a Mg 2+ ion bonds with a Cl -1 ion?

MgCl₂

500

What is the correct name of Cu(OH)₃?

Copper (III) hydroxide

Covalent Bonds

100

Which is the correct formula for the compound sulfur hexachloride?

SCl₆

200

Which is the correct formula for the compound dinitrogen monoxide?

N₂O

300

What is the name of CCl4?

Carbon Tetracholride

400

Which of the following has a tetrahedral shape?

a. NH₃

b. BF₃

c. CCl₄

d. H₂O

CCl₄

500

Which of the following has a bent shape?

a. NH₃

b. H₂O

c. CCl₄

d. CO₂

H₂O

Chemical Reactions

100

Identify the type of chemical reaction demonstrated by this equation.

KClO₃ --> KCl + O₂

Decomposition

200

Identify the type of chemical equation shown below.

      C₆H₁₂O₆ + O₂ -->  H₂O + CO₂

Combustion

300

Which type of chemical reaction is this an example of?

Fe₂(SO₄)₃ + KOH --> K₂SO₄ + Fe(OH)₃

Double Displacement

or 

Double Replacement

400

Which set of coefficients will balance the chemical equation?

__ KI   +  __ Cl₂  --> __ KCl  +  __ I₂

2, 1, 2,1

500

Predict the products for the following reaction.

KClO₃ -->

KCl  +  O₂