Exam 12: Chemical Bonding

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

The percentage composition by mass (to the nearest 0.1) of C in sugar, C₁₂H₂₂O₁₁, is ______________.

The percentage by mass of carbon in diamond is about

Which two elements are most likely to combine with one another to form an ionic compound?

For a compound composed of ions, the smallest combination of ions that gives the formula of the compound is called a

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?

The formula for nickel(II) nitrate would be ______________.

The ionic compound made of Fe³⁺ and CO₃^2- ions would have the formula

What person is known as the "father of chemistry" for his many contributions, including the law of conservation of mass?

The ionic charge of the nitrite ion in Al(NO₂)₃, aluminum nitrite, must be

A pair of electrons shared by two atoms forms

The law of definite proportions states that different samples of a pure compound always contain the same elements in the same proportion by

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

The Lewis symbol would be characteristic of which group?

A water molecule is

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

The percentage by mass of carbon

An ammonia molecule is

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^1-?