Exam 12: Chemical Bonding

The Lewis symbol X• would be characteristic of which group?

Draw the Lewis structure for Freon-12,CF₂Cl₂.

In the ______________ phase,ionic compounds conduct electricity.

A substance of unknown composition is heated in a sealed container.As a result,the mass of the container and its contents

Element A,mass 10.00 g,reacts exactly with 2.00 g of element B to form 12.00 g of compound AB.If 5.00 g of element A is reacted with 2.00 g of element B to form the same compound,what mass of compound AB will be formed?

If a compound is solid,has a high melting point,conducts electricity in the liquid phase,and dissolves in water,it is most likely to be a(n)______________ compound.

What is the formula of a compound formed from the ions M³⁺ and X^2-?

The Lewis symbol would be characteristic of which group ?

The Lewis symbol of which of the following elements has a single dot on each of the four sides of the element's symbol?

Calculate the percentage composition by mass (to the nearest 0.1)of each element in aspirin,C₉H₈O₄.

Compounds formed when the atoms involved share electrons are

Identify each of the following compounds as either ionic or covalent. a. KBr b. CCl₄ c. NaF d. C₂H₄

A Group 7A element would be most likely to form a covalent bond with elements of Group

Two atoms of hydrogen bond with an atom of oxygen to form a water molecule.This bonding is

The percentage by mass of carbon

The dipole arrow in an F-O bond would point toward the ______________ atom.

A Group 6A nonmetal would be most likely to form an ionic bond with an element of Group

Identify each of the following molecules as either polar or nonpolar. a. ClO b. N₂ c. Cl₂ d. CH₄ ​

If two atoms have five electrons in the valence shell and are covalently bound,the molecule has a ______________ bond.

The statement "No detectable change in the total mass occurs during a chemical reaction" is known as the law of ______________.